USA TODAYUtah interceptions spoil Jim Harbaugh's Michigan returnUSA TODAYSALT LAKE CITY — Breaking down Utah's 24-17 win against Michigan on Thursday night: THE BIG PICTURE: Jim Harbaugh's return to college football has been the talk of the offseason — fueled in part by his quirkiness and an aggressive recruiting push.Utah spoils Harbaugh's debut, beating Michigan 24-17ESPNMichigan vs.