David Gonzales of Madera is now in custody.
Santa Clara police say at the end of Sunday's 49ers game against the Cardinals, Gonzales got into a fight with a 33-year-old man in the parking lot. Investigators say he punched the man twice, including once in the head, then drove away.
The victim is now in critical condition.
Police tracked Gonzales down at his home Tuesday. He now faces felony charges.