On a Mariners off day, Seattle Mariners starting pitcher George Kirby was seen on the backlots of the teams Spring Training facility in Peoria, Arizona throwing to live batters with Harry Ford catching. Mariners prospects Tai Peete and Ben Ramirez were among the batters. Thumbnail by _LivLyons #SeattleMariners #TridentsUp #CirclingSeattleSports #GeorgeKirby