Seattle Mariners at Los Angeles Angels: Final Score & Recap

The Los Angeles Angels defeated the Seattle Mariners 2-1 on September 15, 2026, at Angel Stadium in a tight, low-scoring affair that the DiamondIQ model entered giving the home side a 46 percent chance of winning. The game's critical sequence arrived in the bottom of the fifth, when Vaughn Grissom's double off Logan Gilbert shifted win probability by 14.3 percent in Los Angeles's favor, and the Angels converted that momentum into a 1-0 lead. An inning later, Josh Lowe extended the advantage with a home run off Gilbert, a swing worth 14.7 percent in win probability that proved to be the decisive blow of the evening. Seattle answered in the top of the sixth on a Dominic Canzone triple off Ryan Johnson, worth 11.8 percent in win probability, followed by a Julio Rodriguez double that added another 9.9 percent and drew the Mariners within one run.

From that point forward, the Angels' pitching staff closed the door. Ryan Johnson led all pitchers with a WPA of plus-17.6 percent, absorbing the Seattle threat in the sixth before handing off to a bullpen that held firm. Ryan Watson finished the game by inducing a game-ending double play off the bat of Cole Young in the top of the ninth, the single most damaging play of the night for Seattle at minus-15.7 percent in win probability, and Watson recorded a WPA of plus-15.2 percent for his efforts. Jose Fermin contributed plus-10.8 percent as well, rounding out an Angels pitching performance that kept a Mariners lineup generating seven hits from scoring more than one run. On the offensive side, Josh Lowe led all batters with a final WPA of plus-15.3 percent and an RE24 of plus-1.0, while Grissom added plus-8.3 percent, making the two the clear engines of Los Angeles's winning effort.