Seattle Mariners at Kansas City Royals: Final Score & Recap

The Seattle Mariners overcame a Kansas City Royals team that held a 54 percent pre-game win probability according to the DiamondIQ model, escaping Surprise Stadium with an 8-7 victory on March 6, 2024. Kansas City built early advantages in the first three innings, but Seattle erupted for five runs in the top of the sixth to swing control of the game, and the Royals were unable to fully recover despite pushing back with two runs of their own in that frame.

The decisive sequence came in the top of the sixth, where Samad Taylor delivered a single off Jake Brentz that added 21.7 percent to Seattle's win probability, and Josh Rojas drew a walk from Brentz worth an additional 15.5 percent, collectively dismantling Kansas City's position in the game. On the other side, CJ Alexander provided Kansas City its best offensive moment with a single off Jhonathan Diaz in the bottom of the sixth that added 17.8 percent to the Royals' chances, though Alexander's flyout off Ty Buttrey in the eighth cost Kansas City 16.5 percent and proved pivotal. Ty Buttrey was the game's most effective pitcher by the DiamondIQ model's estimate, finishing with a WPA of plus 23.3 percent, while James McArthur contributed plus 14.0 percent in support.

The game's final turning point arrived in the bottom of the ninth when Tyler Tolbert struck out against Trevor Kelley, a sequence that added 31.6 percent to Seattle's win probability and sealed the outcome. Tolbert finished as the game's second-most impactful batter at plus 27.1 percent WPA despite a RE24 of minus 0.3, reflecting how much weight that final at-bat carried in context. Taylor led all position players with plus 27.9 percent WPA and plus 2.7 RE24, while Rojas added plus 15.7 percent WPA and plus 1.9 RE24 to round out Seattle's most consequential contributors in the win.