How J.D. Martinez Uses Technology To Hone His Swing
An iPad might seem like an unusual sight in a batting cage, but for Boston Red Sox slugger J.D. Martinez, it’s a vital piece of his training arsenal. Find out more in the video above!
An iPad might seem like an unusual sight in a batting cage, but for Boston Red Sox slugger J.D. Martinez, it’s a vital piece of his training arsenal. Find out more in the video above!
