Actor Hafthór Júlíus Björnsson — better known as Gregor Clegane, the Mountain, from HBO’s Game of Thrones — joined the Phillies for batting practice on May 15.
After getting a look at who was in uniform for the Phillies, their opponents the Arizona Diamondbacks insisted on picking a champion of their own.
— Arizona Diamondbacks (@Dbacks) May 15, 2015
[Thanks to Martin Morse Wooster for the story. (Photos and video by Alex Nolen, MLB.com / Real-Time Correspondent.)]