Patriots' Hightower exits game vs. Broncos with knee injury
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New England Patriots linebacker Dont'a Hightower is questionable to return to Sunday's game against the Denver Broncos with a knee injury.
Hightower left the game during the second quarter and headed to the locker room shortly after hobbling off.
The Patriots' linebacker suffered the injury after tripping over Broncos tight end Virgil Green.
Hightower recorded three tackles before leaving the game.