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.

The field for the upcoming 2025 Home Run Derby underwent a late-hour change Saturday, as Matt Olson of the host Atlanta Braves was announced as a replacement for teammate Ronald Acuña Jr., who will no longer participate.

Atlanta Braves outfielder Ronald Acuna Jr. now has a limited itinerary for the upcoming MLB All-Star festivities. Acuna has officially been removed from the Home Run Derby, which is scheduled for Monday, July 14 in Atlanta. He has competed in the event before, reaching the semifinals in 2019 and the quarterfinals in 2022.

Ronald Acuña Jr. won’t participate in the Home Run Derby, replaced by Atlanta teammate and fellow All-Star Matt Olson.

Matt Olson is set to replace his Atlanta Braves teammate, Ronald Acuña Jr., in the 2025 MLB All-Star Home Run Derby.

Atlanta Braves first baseman Matt Olson will be replacing outfielder Ronald Acuña Jr. in Monday’s event, the team announced Friday night. Acuña had initially committed to participating earlier this month, but is back out due to back tightness. The 2023 NL MVP will still play in the All-Star Game.

Ronald Acuña Jr. won’t participate in the 2025 Home Run Derby and will be replaced by teammate and fellow All-Star Matt Olson.

Atlanta Braves star Ronald Acuña Jr. was the first to commit to the event, to be held at his home yard, Truist Park in Atlanta. However, one day after the field was finalized, MLB announced that his teammate Matt Olson would replace him.