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Ketel Marte Belts Walk-Off Homer as D-Backs Overtake Giants
Marte’s two-out homer capped a ninth-inning rally after Arizona trailed 3-1 and improved the Diamondbacks to 24-23.
On Tuesday, May 19, 2026, Ketel Marte hit a game-winning three-run homer in the ninth inning, lifting the Arizona Diamondbacks over the San Francisco Giants 5-3.
Trailing 3-1 to start the ninth, Arizona's rally began when Adrian Del Castillo cut the deficit with a two-out RBI single, followed by Ryan Waldschmidt reaching on a controversial catcher's interference call.
Giants manager Tony Vitello brought in left-handed reliever Matt Gage to face the All-Star, but Marte drove a slider 101.4 mph over the left field fence for the decisive hit.
The win moved the Diamondbacks to 24-23, placing the team above.500 for the first time since May 1, while Vitello accepted responsibility, stating, "Obviously, it's on me."
Arizona claimed its third consecutive victory and seventh in the past 10 games, with RHP Merrill Kelly facing Giants RHP Tyler Mahle on Wednesday.