Dodgers owner Frank McCourt responded by saying this was an isolated incident and that security was appropriate.
Bryan Stow, 41, of Santa Cruz, was beaten in the parking lot by two men wearing Dodger attire.
Stow remains hospitalized in critical condition in a medically induced coma.
Attendance at Saturday's game was the lowest weekend figure for a Dodgers-Giants game in eight years.
If you have any information on the suspects, you're urged to call police at (877) LAPD-24-7.