Dominic Smith delivered one of the most emotional moments in recent MLB history, hitting a walk-off grand slam in his debut with the Atlanta Braves. The dramatic ninth-inning blast came just days after Smith lost his mother to cancer, giving the Braves a 6-2 victory over the Kansas City Royals.

According to the Elias Sports Bureau, Smith became the first player in MLB history to hit a walk-off grand slam in his debut with a new team. The Braves rallied from a 2-0 deficit in the ninth, loading the bases before Smith connected off Royals closer Carlos Estevez, who led MLB with 42 saves last season. Smith called timeout before the 3-2 pitch to compose himself before lifting a fly ball into the right-field seats.

The moment held profound personal significance for Smith, who described feeling his mother's presence throughout the celebration. The Braves organization had provided extensive support during spring training when his mother was diagnosed with cancer in September. Smith said the team's compassion meant more than baseball, checking on his family's well-being daily.