The man arrested for the vicious beating of a Giants fan outside Dodger Stadium says he has an alibi proving he was in his Los Angeles apartment at the time of the attack, according to TMZ. 

Giovanni Ramirez, 31, was arrested in an East Hollywood apartment early Sunday morning and is alleged to have been "the primary aggressor" in the beating of 42-year-old Brian Stow on March 31. Stow suffered a severe skull fracture and is in a coma.

Ramirez’ lawyer, Chip Matthews, says three witnesses will testify that his client was at his Los Angeles apartment, not at the game, at the time of the attack, TMZ reported.

Ramirez was nabbed following a tip from his parole agent, who noticed a resemblance to police sketches that have been widely disseminated by the media, and is featured on 300 billboards in the Los Angeles area.

Ramirez has previous convictions on charges including attempted robbery and possessing or importing for sale composite or hard wooden knuckles, a misdemeanor, according to The Associated Press. Other charges including assault, drug-related charges and one count of firing a weapon in public were dismissed.

Ramirez is scheduled to be arraigned Tuesday.

maldax@sfexaminer.com