Philadelphia Eagles sign tackle Winston Justice to 4-year extension

PHILADELPHIA -- Right tackle Winston Justice has signed a four-year contract extension with the Philadelphia Eagles.

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Justice's deal is worth $18.15 million, including a $6 million signing bonus, a league source told ESPN's Adam Schefter.

The team announced the deal on Tuesday. Justice could have become an unrestricted free agent after this season.

A second-round pick in 2006, Justice has started every game this season after starting only one in his first three years in the NFL. He replaced Shawn Andrews, who didn't take a snap and was placed on injured reserve with a season-ending back injury.

Jon Runyan had started every game at right tackle for the Eagles since 2000, but he wasn't re-signed after last season and remains a free agent.

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