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Baseball Betting Rules
Baseball Betting Rules
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Written by Jay
Updated over a week ago

Settlement of Wagers

  1. Statistics provided by the official score(s) provider or the official website of the relevant competition will be used to settle wagers. Where statistics from an official score(s) provider or official website are not available or there is significant evidence that the official score(s) provider or official website is incorrect, we will use independent evidence to support bet settlement.

  2. In the absence of consistent, independent evidence or in the presence of significant conflicting evidence, bets will be settled after a thorough investigation.

  3. SX Bet does not recognize postponed games, protests or overturned decisions for wagering purposes. As long as the event is played on the schedule day all bets have action. If inclement weather (or similar delay) pushes the start time past midnight local time, but the game is still played, all bets have action.

Definition of different Money Line Wagers

Money-line wagers on baseball will be accepted in the following manner:

  1. Action - team against team, regardless of the starting pitchers. When listed pitchers are offered and there is a pitching change prior to the game, the moneyline will be re-adjusted and "action" wagers will be graded using the opening price for the new pitcher.

  2. Listed Pitchers - if both starting pitchers are not as specified at the time of the bet, the wager will be deemed "no action".

  3. One Listed Pitcher - this is a wager on or against one specified pitcher, regardless of the other starting pitcher. If the specified pitcher does not start, the wager is deemed "no action". (examples: "the Red Sox versus Helling" indicates a wager against Helling. "Helling against the Red Sox" indicates a wager on Helling).

Please Note: Typographical errors in a pitcher's name will not be grounds for wager cancellation.

Treatment of pitching changes

  1. When listed pitchers are offered, wagers on total runs (over/under) and team totals (over/under) and Run Line (handicap) and Alternate Run Line (alternate handicap) will have no action if a pitcher change occurs prior to both listed pitchers throwing at least one pitch.

  2. A pitcher is deemed a starter after throwing the first pitch to the opponent's first batter.

Treatment for date or venue change

  1. If an event venue is changed all wagers on the event will have no action.

Treatment for Double-Header Games

  1. For 7 innings games played as part of a doubleheader the 6½ inning rule will apply.

Treatment if event does not come to its natural conclusion

  1. If a game is called or suspended, the winner is determined by the score after the last full inning unless the home team scores to tie, or takes the lead in the bottom half of the inning, in which case the winner is determined by the score at the time the game is called. Monies will be refunded if the home team ties the game and it is then suspended. Events will not carry over to the following day unless otherwise specified.

  2. If a game is called or suspended in extra innings, the score will be determined after the last full inning unless the home team scores to tie, or takes the lead in the bottom half of the inning, in which case the score is determined at the time the game is called.

  3. In the case of a suspended playoff game that will be resumed in a span of 96 hours after its suspension, all wagers have action and will be graded after the completion of the game. If the game is not completed within the 96 hours following the time of suspension, then all bets have no action.

  4. For wagers on Live Baseball all games must go 9 innings (8.5 innings if the home team is leading) and be played to completion within 7 days of the start time to have action (except “Mercy Rule” games, see below). This rule applies to wagers on the Moneyline, Runline and Totals. Example: A live game is suspended in the 7th inning and is not resumed in 7 days. All wagers on Moneyline, Runline and Totals have no action even if the outcome of a wager is already determined. A wager on the Over 7 runs at a score of 5-8 is considered no action.

  5. For wagers on Pregame or Live Baseball on a specific inning or a group of innings those wagers have action if the specific timeframe is completed, regardless if the entire game has concluded.

  6. Wagers made prior to the start of a game in the live trading folder will be cancelled if that game is postponed after not starting on its scheduled day.

Treatment of Mercy Rule games in Live

  1. Games in which a mercy rule is invoked (such as World Baseball Classic games) will have all wagers graded based upon the final score at the time of the rule’s invocation.Treatment for double header games

  2. Every effort will be made to denote double header games as G1 and G2(Game 1 and Game 2).

  3. A wager made on a game with a G1 or G2 designation, will strictly apply to that specific game of the double header. For example, if you wager on the G1 Dodgers to beat the G1 Nationals with listed pitchers of Kershaw and Scherzer, then you'll only have action if Kershaw and Scherzer both start Game 1. If Kershaw and/or Scherzer were to start Game 2, then your wager, in this case, would not have action.

  4. If on a day where a double header is played and neither G1 nor G2 is designated on our site at the time of the wager, the following rules shall apply:a. Any listed pitcher wager, with no G1 or G2 designation, will have action on the game(either first or second of double header) that those listed pitchers start.b. An action wager will have action on the specific game(either first or second), if the listed pitchers on the site start that specific game.c. An action wager will have action on the first game of the double header, if the listed pitchers on the site don't face each other in either of the games of the double header.

Minimum time (length of event) needed for action

  1. The result of a game is official after 5 innings of play unless the home team is leading after 4.5 innings. When wagering on either runlines, total runs (over/under) or team totals (over/under) the game must go 9 innings (8.5 if the home team is ahead) to have action.

  2. In the case that a Run Ahead or Mercy Rule is invoked, games will be considered to be complete. Games wagers on runlines, totals, team totals and money line will have action.

  3. Pregame first half MLB bets on Money Line and Spread must go 5 innings for action, or 4.5 innings if a game is ended early and called official with the home team declared the winner.

  4. If a game does not go a full five innings, all first-half wagers on the total will have no action.

  5. When pitchers are offered for the game, all first-half wagers (5 innings) must list both pitchers. If either listed pitcher does not start, wagers on the first half (5 innings) will have no action.

  6. Live first half MLB bets on Money Line must go 5 innings for action, or 4.5 innings if a game is ended early and called official with the home team declared the winner. Live first half MLB bets on the spread and total must go the full 5 innings for action.

MLB Regular Season Wins Props:

  1. MLB regular season win bets will be graded when the following two things occur: The team, mathematically, cannot win the number of games indicated in the bet.The team, at the time of grading, is expected to play at least 160 games. In other words, there is no indication that the season will be shortened at the time of grading.

  2. For grading purposes, no extra tiebreaker games for wildcard or division will count toward the regular season win total.

  3. If there is any doubt that the season will be less than 160 games for a team, we will wait to grade regular season win bets until after the 160th game. However, once a regular season win bet has been graded, it will not be changed, even if the team ends up playing less than 160 games.

Grand Salami (Away Runs vs Home Runs):

  1. The Grand Salami will be decided by the total runs scored in all games of the specific league scheduled for that day.

  2. All scheduled games must play at least 9 innings (8.5 if the home team is leading) for wagers on the Grand Salami to have action and all games must be started on their scheduled date. The Salami will have action if all scheduled games meet the above requirement, even if there is a game(games) that is suspended after 9 innings are complete. The Salami will be graded the night of that date's games. Runs scored in the re-start of a suspended game on a future date will have no affect on the grading of a Salami wager in the regular season.

  3. For the Grand Salami (Away Runs vs Home Runs) , the home team runs will be the runs scored by the teams batting 2nd in their first inning. On rare occasions, a team batting second will not be playing at their home stadium. In these instances, the team batting 2nd will still be considered as a home team for this proposition.

MLB Hits, Runs and Errors ( MLB H-R-E)

  1. All MLB R-H-E wagers will be graded using the sum of Runs, Hits and Errors as grading factors. For example:

  2. When wagering on MLB H-R-E totals (over/unders) or MLB H-R-E spreads, the game must go 9 innings (8.5 if the home team is leading) to have action.

  3. If a game is called or suspended in extra innings, the score will be determined after the last full inning unless the home team scores to tie in the bottom half of the inning in which case the score is determined at the time the game is called.

  4. For all MLB H-R-E wagers both listed pitchers must start, if pitchers are offered for the game. A pitcher is deemed a starter after throwing the first pitch to the opponent's first batter. If a listed pitcher doesn't start all wagers are no action.

MLB Prop Rules:

  1. On any prop, the player(s) must start, and either throw one pitch(if pitchers), or have one plate appearance (if position players) in the designated game for the wager to have action.

  2. For which team will score first props, the prop will be decided and graded as soon as either team scores, regardless if the game eventually becomes official. Both listed pitchers must start for action.

  3. All props regarding just the outcome of the first inning will be decided and graded at the end of the first inning, regardless if the game eventually becomes official. Both listed pitchers must start for action.

  4. On Total Bases Propositions, listed players must start. A batter is only credited for total bases if he hits a single (1 base), a double (2 bases), a triple (3 bases) or a home run (4 bases). A walk, hit by pitch, error, balk, fielder’s choice, or passed ball do not count for Total Bases Propositions.

  5. Pitcher propositions "Total Runs Allowed" include both earned and unearned runs.

  6. Any MLB proposition using the phrase "innings pitched" will be graded using the box score number.

  7. For Division Winner wagers, if two teams have the same record after 162 games, the winner of the Division will be 1) the winner of the tiebreaker game, or 2) the team declared the winner by the MLB tiebreaker system for seeding playoff teams.

  8. For the Proposition "Player to hit most Home Runs in MLB?", if there is a tie at the conclusion of the regular season, the player with the highest batting average, among those tied, will be declared the sole winner.

  9. For proposition "How many no-hitters will there be in regular season?", individual and combined no-hitters will count as long as the game is completed and lasts at least 8.5 innings.

  10. For individual player prop bets to have action that player must start and the game must go at least 9 innings (8.5 innings if home team are ahead). If the game is suspended, it must be restarted on the following day, if it's not restarted on the following day, wagers will be refunded. This applies to all over/under stats for an individual. For example, if Mike Trout hits a home run and the game officially ends in the 7th inning, then Mike Trout will still have no action on his Home Runs for that game(since the game didn't go 8.5 innings).

  11. For head to head player props for a specific game, all wagers will have action as long as those players start and the game becomes official.

  12. For MLB Correct Score Propositions, Will a Team Score Propositions, Will game go to Extra Innings Propositions and Winning Margin Propositions the game must have a winner and go at least 8.5 innings for action. If the game is suspended, it must be completed by the following day for action.

  13. If a MLB proposition has two pitchers listed then both of those pitchers must start in order for bets on that proposition to have action.

MLB Season Long Player Props:

  1. For season long over/under propositions for players' or groups of players' statistics for the entire season, each field player must play in the first game his team plays for action. For pitchers, that pitcher must pitch in one of his team's first eight games played for action. His team must play at least 155 games for action.

MLB General Props:

  1. For MLB General Props, the result of a game is official after 5 innings of play unless the home team is leading after 4.5 innings.

  2. MLB General Props do not require any specific pitcher to start a game.

  3. If there are 10 or more games scheduled on a given day, all games or all games but one must go to completion for MLB General Props to have action. No more than one game may be shortened or postponed.

  4. If there are 9 or fewer games scheduled on a given day, all of them must go to completion for MLB General Props to have action. No game may be either shortened or postponed.

  5. Only the statistics of games declared official will be used for purposes of scoring MLB General Props. If a shortened game is declared official and MLB General Props have action, then statistics of this shortened game will be included with regard to grading.

  6. For the prop "How many players will hit more than 1 HR today?" - This prop will refer to any player hitting more than one HR in a single game. If a player hits 1 HR in each game of a double-header, that does NOT count as more than 1 HR for the day. He must hit 2 or more HR's in a single game for it to be considered more than 1 HR.

  7. For MLB General Props, if a team plays more than one game on a given day (e.g. double header), the statistics of each game will be considered independent. (e.g. "Most runs scored by one team", Philadelphia plays two games, scoring 4 runs in game one and 5 runs in game two. Either the 4 runs or 5 runs will be used but they will NOT be combined as 9 runs.)

  8. MLB Home Run Derby matchups will have action if both listed players participate. In the case of injury, all wagers on the matchup will be deemed void. In the case of a tie in which there is a tie-break, the winner of the tie-breaker will be graded as winner of the match-up. In the case of a tie where there is no tie-breaker, the market will be graded as a push

MLB Futures: Player vs Player Season Props:

  1. For baseball player vs. player season props, if either or both players start the season on the disabled list, not on the active roster or is sent to the minors, wagers have no action.

Regular Season Baseball Series Wagers:

  1. Wagers on baseball series are based on the first three games played of each series.

  2. At least two of the first three series games must be played for wagers to have action.

  3. If only one of the first three games is postponed or canceled, series wagers stand as written.

  4. If two of the first three games are postponed or canceled, all wagers on that series will be graded as No Action and the monies refunded.

  5. A called game will count toward a series wager provided it is officially declared a regulation game.

  6. Pitchers cannot be listed for series wagers; all wagers will have action regardless of the starting pitchers.

PlayOffs / World Series Pick 4:

Each combination lists the exact order of finish of the final four Major League teams in the playoffs, specified by the order of names as follows:

  1. The winner of the World Series.

  2. The loser of the World Series.

  3. The loser of the American League Championship Series.

  4. The loser of the National League Championship Series.

Example: Suppose we have the following result in the playoffs:

  • The Dodgers beat the Braves in the National League Championship Series.

  • The Twins beat the Angels in the American League Championship Series.

  • The Dodgers then win the World Series against the Twins.

In that case, the winning combination would be: Dodgers/Twins/Angels/Braves.

German Baseball Rules:

  1. For all games the result is official after 5 innings of play unless the home team is leading after 4.5 innings. If a game is called or suspended, the winner is determined by the score after the last full inning unless the home team scores to tie, or takes the lead in the bottom half of the inning, in which case the winner is determined by the score at the time the game is called. Monies will be refunded if the home team ties the game and it is then suspended.

  2. Events will not carry over to the following day unless otherwise specified.

  3. For all games previously scheduled for nine innings, when wagering on total runs (over/under), run lines (handicap) or alternate run lines (alternate handicap), the game must go 9 innings (8.5 if the home team is ahead) to have action. If a game is called or suspended in extra innings, the score will be determined after the last full inning unless the home team scores to tie, or takes the lead in the bottom half of the inning, in which case the score is determined at the time the game is called.

  4. For games previously scheduled for seven innings, the second game of double headers for instance, when wagering on total runs (over/under), run lines (handicap) or alternate run lines (alternate handicap) the game must go 7 innings (6.5 if the home team is ahead) to have action. If a game is called or suspended in extra innings, the score will be determined after the last full inning unless the home team scores to tie, or takes the lead in the bottom half of the inning, in which case the score is determined at the time the game is called.

Japanese Baseball:

  1. When wagering on total runs (over/under) the game must go 9 innings (8.5 if the home team is ahead) to have action. If a game is called, suspended or declared a tie in extra innings, the score will be determined after the last full inning unless the home team scores to tie, or takes the lead in the bottom half of the inning, in which case the score is determined at the time the game is called.

  2. Rules for Run Line (handicap) and Alternate Run Line (alternate handicap) wagers are the same as those for Japanese baseball totals.

Taiwanese Line Type Bets:

For the Taiwanese odds display format, the first value is the handicap, followed by the taiball percentage and lastly by the price. The taiball percentage can be an integer from -100 to 100.

Note that in the case of a tie, Taiwanese Line type bets are not graded as no action (cancel). Instead, if the score lands on the Handicap, a wager on a Positive taiball percent will pay out the taiball percent of the original to win amount. A wager on the negative taiball percentage will lose the taiball percent of the original Risk amount.

World Baseball Classic Rules:

  1. All spread, money line, and total wagers will have action in games stopped early due to the mercy rule.

  2. All bets taken on a suspended game (one that started), will have action for 72 hours from the start time, as long as the WBC governing body recognizes an eventual winner. Money line wagers will only have action as long as the game goes at least 4.5 innings. Spread and total wagers will only have action if the game goes at least 8.5 innings (except in mercy rule games, see rule above).

  3. All bets taken on a postponed game will not have action. Once the postponed game is rescheduled, normal wagering rules apply.

  4. Pool Wagering - In the event of a tie between 2 or 3 teams within a pool, whoever wins the tiebreaker according the world baseball classic (whichever team is considered the number 1 team from that pool in the next round) is considered the winner.

Little League World Series:

  1. Any game ending early as a result of a mercy rule will have action on all wagers in the Little League World Series.

  2. Wagers on postponed or suspended games will have action as long as the game is completed within 60 hours of its originally scheduled time in the Little League World Series.

  3. We make no guarantees that the team listed on the bottom of our fixtures is the home team in Little League World Series games.

  4. Money Line Wagers will have action in all official games (4 innings or 3.5 innings if the home team is ahead). In order for wagers on totals and run lines to have action, the game must go 6 innings (5.5 innings if home team ahead), except for mercy rule games (see rule #1).

Additional Markets - 1st 5 Innings Betting

  1. All 1st 5 Innings betting will be determined based on the number of runs scored after the bottom of the 5th Inning is completed. Runs scored in an inning after the 5th inning (6th, 7th, 8th, & 9th innings) will not impact the settlement of the wager.

  2. This applies to all market offerings including but not limited to 1st 5 Innings Spreads, 1st 5 Innings Money Line, and 1st 5 Innings Over/Under.

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