Leon Washington is getting rewarded for proving he could come back from a gruesome, career-threatening broken leg. The Seattle Seahawks and Washington have agreed to a new four-year contract after a 2010 season during which Washington was in the discussions for NFL comeback player of the year. The contract is worth about $12.5 million and could max out at $16 million, and it includes $3.5 million in guaranteed money, sources told ESPN.com's John Clayton and ESPN NFL Insider Adam Schefter. The Seahawks said a deal was not yet official, The Associated Press reported. Read more: http://sports.espn.go.com/nfl/news/story?id=6171050