ENGLEWOOD, Colo. -

 Denver Broncos backup defensive lineman Mitch Unrein signed a one-year, $630,000 free-agent tender Thursday.
    
Unrein, a three-year veteran, also played offense in a goal-line situation for Denver last season. He caught a 1-yard touchdown pass from Peyton Manning to become the first defensive lineman in team history to score on a reception.
    
He has 27 tackles and one fumble recovery over the last two seasons.

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