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DENVER, Colorado (Reuters) - Quarterback Kyle Orton has signed a one-year contract extension with the Denver Broncos, the team said on Thursday on their website (www.denverbroncos.com/).

The extension comes despite the Broncos trading for quarterback Brady Quinn in the offseason and selecting another, Tim Tebow, in the draft.

Orton, who was playing on a one-year deal worth $2.6 million, would receive an additional year worth $8.8 million including $5.5 million guaranteed, according to the Denver Post.

In his sixth year in the NFL and second with the Broncos, Orton is coming off a career-best season in which he threw for 3,802 yards and 21 touchdowns.

Despite his breakout season, Denver missed the postseason with an 8-8 record after starting the year a perfect 6-0.

(Reporting by Jahmal Corner in Los Angeles; Editing by Peter Rutherford)