Tom Murphy leaves injured, throwing SF Giants catching situation into chaos

PHILADELPHIA — A difficult situation for the Giants turned disastrous Saturday evening. Already without their starting catcher, they lost their No. 2 backstop not long into the second game of their series against the Phillies. Barely 24 hours after Patrick Bailey suffered a concussion, forcing him to the injured list before first pitch, his backup, Tom Murphy, was forced to exit in the second inning when he injured his left knee attempting to block a pitch in the dirt from …