 11 plays later, the Patriots faced a 2nd and goal from the 49ers' 2-yard line, where a Faulk touchdown run gave the Patriots a 17–14 lead at halftime.On the Patriots' opening possession of the second half, Cassel was sacked to begin the drive, and then again was sacked nine plays later on third down to force the Patriots to punt.Two plays later, O'Sullivan was intercepted by safety Rodney Harrison to give the Patriots the ball at the 49ers' 24-yard line.