<p>It is Wednesday afternoon, the day after <a class="Link" href="https://chicago.suntimes.com/white-sox" >White Sox</a> rookie Braden Montgomery claimed a piece of baseball history by hitting a walk-off home run in his major-league debut. The home run that his mom, Gretchen, may not have seen, unless she broke tradition and peeked as her oldest son drove a ball over the left-field bullpen, giving the Sox a 6-5, 10-inning win over the Atlanta Braves.</p><p>“How about that?’’ exclaimed <a class="Link" href="https://chicago.suntimes.com/sports-media/2026/06/10/steve-stone-bob-costas-chsn-throwback-broadcast-white-sox-braden-montgomery-braves" >Hall of Fame broadcaster Bob Costas,</a> imported just for the night to do play-by-play in a throwback telecast with Steve Stone, the team’s regular analyst.</p><p>“Talk about drama, talk about theater. And what a major-league debut for Braden Montgomery.’’ </p><div class="Enhancement" data-align-center><div class="Enhancement-item"> <div class="ExternalContent-wrapper" > <div class="TweetUrl"> <blockquote class="twitter-tweet"><p lang="en" dir="ltr">BRADEN MONTGOMERY HITS A WALK-OFF HOMER IN HIS MAJOR LEAGUE DEBUT!