San Francisco Giants assistant pitching coach J.P. Martinez, from left, human performance coach Harvey Martin and pitcher Sean Manaea walk barefoot toward the center field bullpen for a breathing session before a baseball game between the Giants and the Baltimore Orioles in San Francisco, Saturday, June 3, 2023. (AP Photo/Janie McCauley)
Baseball players take barefoot walks in the grass - Photos - Washington Times
Washington Times
Arizona Diamondbacks' Christian Walker warms up barefoot on the field before a baseball game between the Diamondbacks and the San Francisco Giants ...
