North Carolina defensive coordinator Steve Belichick, the son of head coach Bill Belichick, is on medical leave, his father said Thursday morning. UNC opens the season Aug. 29 against TCU in Dublin, Ireland. He also said the defensive staff already works "collectively" when asked how the team would adjust during his son's absence. Steve Belichick joined his father's staff ahead of the NFL coaching great's first college season last year, following a year as the University of Washington's defensive coordinator. Last week the school announced general manager Michael Lombardi had been placed on paid administrative leave and was the subject of a school investigation.