sentences:  San Francisco recovered the fumble at the Pittsburgh 22 and drove to the 4, but was held to another Nedney field goal, this one from 22 yards out, to cut the Steelers' lead to 1.The teams exchanged punts until late in the second quarter, when Pittsburgh drove 80 yards on 12 plays which culminated in a Roethlisberger touchdown pass to Jerame Tuman to give the Steelers a 14–6 lead into the half.Pittsburgh took the ball to begin the second half, and drove to the San Francisco 18 before being stopped (a catch by Heath Miller at the 49ers 2 yard line was overturned after a successful challenge by San Francisco head coach Mike Nolan showed that Miller was out of bounds).