The Seattle Mariners are favored to win the American League West division based on the latest MLB odds at the BetMGM online sportsbook.
Seattle secured its first division title in 24 years last season. It snapped a streak of seven straight full-season division crowns for the Houston Astros.
Here’s a look at the latest MLB lines for the 2026 AL West winner:
AL West Odds 2026
| Team | Current Odds |
|---|---|
| Mariners | +140 |
| Astros | +175 |
| Rangers | +350 |
| Athletics | +1300 |
| Angels | +3500 |
List of Past AL West Winners
| Year | AL West Winner | Preseason Odds |
|---|---|---|
| 2025 | Mariners | +225 |
| 2024 | Astros | -110 |
| 2023 | Astros | -185 |
| 2022 | Astros | -165 |
| 2021 | Astros | +130 |
| 2020 | Athletics | +220 |
| 2019 | Astros | -900 |
| 2018 | Astros | -445 |
| 2017 | Astros | -105 |
| 2016 | Rangers | +290 |
| 2016 | Rangers | +1500 |
| 2014 | Angels | +200 |
| 2013 | Athletics | +550 |
| 2012 | Athletics | +3000 |
| 2011 | Rangers | +120 |
| 2010 | Rangers | +210 |
| 2009 | Angels | -200 |
| 2008 | Angels | -200 |
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