Mariotti, 51, was arrested on Aug. 21 after a fight with his girlfriend that started at a night club and continued at the couple's apartment, police said.
Witnesses told the L.A. Times they started arguing after he said she was flirting with another man. Police later took him into custody around 4:30 am. He was released on $50,000 bond that same morning.
It's unclear how the incident might affect his future as a sports writer. AOL suspended him from writing on Fanhouse.com pending the investigation. He has not appeared as a contributor on ESPN's "Around the Horn," since his arrest.