Sebastian Janikowski

Janikowski (hamstring) is retiring from the NFL, Adam Schefter of ESPN reports.

Janikowski converted the game-winning, 33-yard field goal versus the Cardinals on Sunday. He also hit a 42-yarder and all three extra points.

The Seahawks signed Janikowski to a one-year contract Friday, Adam Schefter of ESPN reports.

Janikowski will not require surgery on the injured disc in his back, and he could return in eight weeks, according to Ian Rapoport of NFL.com.