In a battle for first place in the AFC North, the Baltimore Ravens led the Pittsburgh Steelers, 10-6, with just over three minutes remaining the fourth quarter. On second down, S Troy Polamalu came off the edge and sacked Ravens QB Joe Flacco, causing a fumble that was picked up by LB LaMarr Woodley and returned to the Ravens’ 9 yard-line. QB Ben Roethlisberger then found RB Isaac Redman for a 9-y…