Olson hit in the 2021 derby while a member of the then Oakland Athletics.Acuña was expected to make his third appearance.Olson is not as popular a player as Acuña, so it's definitely disappointing for the home crowd that Acuña will not be in the event.

The Home Run Derby field is having a last-minute shakeup. On Friday, Major League Baseball announced that Matt Olson will replace his Braves teammate Ronald Acuña Jr. at the 2025 T-Mobile Home Run Derby,

Matt Olson will replace Atlanta Braves teammate and fellow All-Star Ronald Acuna Jr. in Monday's Home Run Derby. This marks Olson's second Home Run Derby after he participated in 2021 when he was with the Oakland Athletics.