Denver Broncos offensive lineman Chris Clark has agreed to a two-year contract extension, according to his agent, Chad Speck.

He's now under contract through the 2015 season.

Clark, who has previous stints with the Tampa Bay Buccaneers and Minnesota Vikings, is the backup to Pro Bowl left tackle Ryan Clady.

Clady was playing under a $1.323 million restricted free agent tender.

Terms of his new deal haven't been disclosed.

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Aaron Wilson covers the Ravens for The Baltimore Sun.