Here’s why the Seahawks’ hard-fought 18-16 win against the Colts in Week 15 was just the fourth such victory in franchise history.

The Colts might look a little different because they might be trotting out 44-year-old future Hall of Fame quarterback Philip Rivers under center. Regardless of the shock surrounding the Colts, the Seahawks have to take care of business in a must-win game.

Seahawks head coach Mike Macdonald praised the team's mental toughness and ability to close out the game (0:28). Kicker Jason Myers was crucial, converting 6 field goals, including a 56-yarder (1:16).

The Colts face the Seahawks in Seattle on Sunday. We break down what the game means for the NFL playoff picture in Week 15.

The 10-3 Seattle Seahawks are currently taking on the 8-5 Indianapolis Colts who will be led by the 44-year-old Philip Rivers. Seattle needs a win over the struggling Colts in order to keep pace with the Los Angeles Rams,