NEW : The man initially arrested for the beating has been exonerated , but remains in jail . Two men have been arrested on mayhem and assault in the beating of Bryan Stow . By Friday , though , the family said that Stow 's condition had improved and he appeared `` very alert '' -- able to open and close his eyes on command , move his right hand and mouth his last name to medical staff . Police say they are investigating whether a fight broke out between two groups at Dodger Stadium after Dodgers pitcher Stow is in a San Francisco hospital , recovering from extensive trauma from the attack .
NEW : The man initially arrested for the beating has been exonerated , but remains in jail . Two men have been arrested on mayhem and assault in the beating of Bryan Stow . Police say they are investigating whether a fight broke out between two groups at Dodger Stadium after Dodgers pitcher Stow is in a San Francisco hospital , recovering from extensive trauma from the attack .