Braden Montgomery made an immediate impact in his Major League debut for the Chicago White Sox, capping his first game with a walk-off home run that etched his name into MLB history.
The outfielder delivered the decisive swing against the Atlanta Braves on 9 June 2026, turning his first appearance into one of the rarest debut moments in modern MLB history.
Chicago won 6-5, with Montgomery finishing 2-for-5 with three RBI after his two-run homer in the 10th inning completed the comeback.
Braden Montgomery joins rare MLB list after White Sox debut
Montgomery became just the fifth player in league history to hit a walk-off home run in his Major League debut.
The previous four were Carlos Perez, Miguel Cabrera, Josh Bard and Billy Parker, putting Montgomery into a group that spans more than five decades.
His swing gave the White Sox a 6-5 win and delivered a clear headline moment, because few debut achievements can be placed into such a short historical list.
Montgomery later described the moment as “just surreal”, which was a fitting summary for a first game that moved quickly from promotion story to MLB landmark.
Why Braden Montgomery was already a major White Sox name
Montgomery was not an unknown arrival. He had been called up by Chicago on 9 June 2026 after entering the season as one of baseball’s most closely watched prospects.
He was ranked as MLB Pipeline’s No. 21 prospect, having been drafted 12th overall by Boston in 2024 before moving to Chicago in the Garrett Crochet trade.
That background explains the attention around his promotion, but the debut changed the scale of the story.
Montgomery arrived with prospect status. He left his first MLB game with a verified place in league history.
Receive exclusive football transfer news and updates twice a week to your mailbox
