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Atlanta Falcons running back Tevin Coleman is unlikely to play against the Green Bay Packers on Sunday due to a hamstring injury, a source told Adam Schefter of ESPN.

Coleman exited last week’s loss to the San Diego Chargers in the second half and Falcons head coach Dan Quinn said the team was unsure how long the second-year back would be out when speaking to media on Monday.

“He’s dealt with these strains before and he is a fast healer,” Quinn said, according to Vaughn McClure of ESPN. “So we’ll find out how long he’ll be out.”

Devonta Freeeman will carry the full workload for the Falcons with Coleman sidelined, but Quinn did say Terron Ward could be promoted from the practice squad to pitch in.

Coleman has excelled in the passing game during his second season, catching 19 passes for 330 yards and a touchdown. He’s also chipped in five rushing touchdowns.