Steelers RB Chris Rainey was arrested Thursday morning on one count of simple battery. The incident occurred in Gainesville, where Rainey played for the University of Florida. According to police, witnesses said Rainey and a woman were arguing over his cell phone. He allegedly pulled her out of a car and slapped her across the face with an open hand. The woman did not suffer any visible injuries from the encounter. Rainey was also arrested while at Florida in September of 2010 for an incident with a girlfriend.