"The search for Steve's successor has already begun," Washington athletic director Scott Woodward said in a statement. "I will work hard in the coming days to find the absolute best fit for the University of Washington but I will not comment on or speculate about the process. We have tremendous tradition, fan base and a world-class institution, and I am confident we will find the right man. We will compete for Pac-12 and national championships and we will do so with class, integrity, sportsmanship and a commitment to our student-athletes."
USC offensive coordinator Clay Helton is expected to be the interim coach in the Trojans' bowl game, a source said.
Information from ESPN's Joe Schad and Brett McMurphy and The Associated Press was used in this report.