Crawford, a third-round pick out of Boise State in the 2012 draft, signed a four-year contract before his rookie season.
Crawford had a breakout year for the Cowboys in 2014. He played in 15 games, recording 33 combined tackles, including three sacks. He added 29 quarterback hurries and 12 hits.
Crawford started his career at defensive end before moving to tackle under Rod Marinelli. Crawford missed all of the 2013 season with a torn Achilles.
Dallas opens its season Sunday night against the New York Giants.
– Rohan Nadkarni