Corey Knebel has a tear in his shoulder capsule, ending his season. Seranthony Domínguez is also going on the 15-day injured list with triceps soreness, according to Phillies interim manager Rob Thomson.
The Phillies also added right hander Tyler Cyr to the roster. Knebel was transferred to the 60-day injured list to make room for Cyr on the 40-man roster. Domínguez was placed on the 15-day injured list (retroactive to Aug. 18) to make room for Cyr on the active roster.
Knebel, who is also dealing with the lat injury that took him out of the game last Sunday against New York, is heading to Texas to receive stem cell treatment to avoid surgery on his shoulder.