10 key plays of the Colts' season: No. 4

Winning and proving doubters wrong.

Those were the two important things Indianapolis Colts linebacker Robert Mathis focused on when the season started.

Mathis, like every other player in the NFL, wanted to win a Super Bowl and he wanted to silence critics who said he couldn't be a force without Dwight Freeney on the other side. Mathis ended up leading the league in sacks with 19.5, but there was one in particular that stood out.

Key play No. 4: Mathis gets to 100

There was only one way Mathis could get the 100th sack of his career.

It had to be a strip sack. Any other just wouln't feel the same. And that’s how Mathis got it on the final play of the first half against the Seattle Seahawks in Week 5. Mathis, lined up on the right side, came around the edge and stripped the ball out of Seahawks quarterback Russell Wilson’s arm. Erik Walden recovered the loose ball.

Mathis, who finished with two sacks in the game, became the 30th player in league history to get 100 sacks. He kept a $100 bill framed in his locker for his 100th sack.