Roki Sasaki was warming up for his bullpen on a cool, breezy Wednesday morning at Camelback Ranch, when the right-hander let loose a fastball that sailed past catcher Austin Barnes and clanged against

Roki Sasaki was warming up Wednesday when he let loose a fastball that sailed past the catcher and clanged against the chain-link fence.

Sasaki's bullpen drew a crowd as team officials, media members and even players watched the 23-year-old get to work.