Step inside the locker room with rising MLB star Mark Vientos in this exclusive behind-the-scenes look at his preparation for the 2025 season. From building off a breakout 2024 postseason to the daily mental and physical grind of staying game-ready, this all-access pass captures it all. Watch Vientos train, connect with teammates, and share unfiltered moments that reveal the heart of a competitor and the mind of a future star. Don’t miss this rare, inside look at one of baseball’s most exciting young talents, presented by McDonald's. #MarkVientos #MLB #BaseballLife #InsideTheDiamond #MLBBehindTheScenes #NextGenStars Check out m.mlb.com/video for our full archive of videos, and subscribe on YouTube for the best, exclusive MLB content: youtube.com/MLB About MLB.com: Commissioner Allan H. (Bud) Selig announced on January 19, 2000, that the 30 Major League club owners voted unanimously to centralize all of Baseball's internet operations into an independent technol...