How Bryce Harper Is Training and Fueling for Year 15 in the MLB

As Bryce Harper enters his 15th Major League Baseball season, his focus isn’t on lifting heavier—it’s on training smarter to stay explosive, durable, and available for all 162 games.

Shane Wallen, CSCS, Harper’s performance coach, says longevity at this level comes down to precision programming, real-time adjustments, and fueling that supports performance instead of sabotaging it.

“At this stage it’s about identifying what he needs,” Wallen says. “How can we bring out more of what...