Dan Persa threw a touchdown pass and Marshall Thomas recovered a fumble for another touchdown, and Northwestern snapped No. 8 Iowa's 13-game winning streak with a 17-10 victory on Saturday.

The Pittsburgh Steelers won't announce until Monday night whether safety Ryan Clark, who two years ago nearly died because of a rare blood disorder that is aggravated by playing in high altitude, will play in Denver.

Craig Schaefer sacked Jimmy Clausen in the end zone with 60 seconds left Saturday and Navy held on for a 23-21 victory, its second straight at Notre Dame Stadium.