After Baltimore's Terrell Suggs crushed Steelers quarterback Ben Roethlisberger inside Pittsburgh's 5-yard-line, the ball popped out and both teams stopped playing.
Suggs was celebrating, a Steeler lineman jut stared at the ball and a Ravens lineman jogged by it as nobody realized that whistle had not been blown yet. The players believed that the play was deal until Ravens defensive end Cory Redding picked up the ball and ran into the end zone while every other player stood and watched.
The referees ruled it a touchdown, causing Steelers coach Mike Tomlin to throw the challenge flag. Replay showed the Roethlisberger's arm was not moving forward and the ruling on the field was confirmed.
Unfortunately for the Ravens, the Steelers made a huge comeback in the second half and won 31-24 to reach the AFC championship game.