For the first time this season, the Detroit Tigers are betting favorites to win the American League pennant based on the latest MLB odds at the BetMGM online sportsbook. They passed the New York Yankees as the leaders of this market in July.
Here’s a look at the latest MLB betting lines for the 2025 American League winner:
AL Pennant Odds 2025
Past AL Pennant Winners
| Year | AL Winner | Preseason Odds |
|---|---|---|
| 2024 | Yankees | +400 |
| 2023 | Rangers | +2500 |
| 2022 | Astros | +475 |
| 2021 | Astros | +1000 |
| 2020 | Rays | +750 |
| 2019 | Astros | +300 |
| 2018 | Red Sox | +645 |
| 2017 | Astros | +530 |
| 2016 | Cleveland | +875 |
| 2015 | Royals | +1600 |
| 2014 | Royals | +1600 |
| 2013 | Red Sox | +1500 |
| 2012 | Tigers | +450 |
| 2011 | Rangers | +850 |
| 2010 | Rangers | +1400 |
| 2009 | Yankees | +200 |
| 2008 | Rays | +7500 |
| 2007 | Red Sox | +400 |
| 2006 | Tigers | +4000 |
| 2005 | White Sox | +1100 |
| 2004 | Red Sox | +225 |
| 2003 | Yankees | +100 |
| 2002 | Angels | +2000 |
| 2001 | Yankees | +150 |
| 2000 | Yankees | +150 |
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