Chris Petersen says being a head coach can `become very heavy`

Chris Petersen says he was ready for a break after 40 years of being involved with football. Petersen spoke Tuesday about his surprising decision to resign as Washington`s coach after six seasons with the Huskies. The 55-year-old Petersen has been a head coach for 14 seasons at Boise State and Washington. He`s been involved with coaching for more than 30 years overall after his playing career ended.Petersen said he remembered watching film at home with his dad, who was a small-college coach in California, and that over the years being a head coach can "become very heavy."