What Does +1.5 Mean in Baseball Betting?

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New York Yankees starting pitcher Frankie Montas throws during the first inning of a baseball game against the Milwaukee Brewers Friday, Sept. 16, 2022, in Milwaukee.
(AP Photo/Morry Gash)
BetMGM @BETMGM Aug 18, 2023, 2:15 PM

When betting on an MLB run line, +1.5 means that the underdog team must either win the game outright or lose the game by one run or less in order for the bet to be successful.

With a run line, also called “against the spread,” the spread is almost always 1.5 runs. The favorite team will be set at -1.5, which means they must win the game by two or more runs to “cover” the run line. The underdog team covers the run line by either winning outright or losing by one run or less.

If the team you bet on covers the run line, the bet is successful.

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Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.

Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.