BY KEVIN CONNELL
Redskins tight end Jordan Reed suffered a grade 3 AC joint separation in his left shoulder and is day to day, coach Jay Gruden said Friday.
Gruden added Reed's left arm is now in a sling and hopes the tight end will be able to play Sunday at Arizona.
Gruden made the updated injury announcement after Reed underwent an MRI Friday.
Reed was taken to the locker room with the injury during the game's second quarter and returned on the Redskins' first drive of the third quarter. He finished the game with a season-high 10 catches for 95 yards and two touchdowns, both of which came in the second half.
Reed also made a big one-handed catch on third down with the injury to set up his first touchdown.
Reed's left arm also was in a sling on the sideline before eventually returning to the game.
Reed has 59 catches for 630 yards and five touchdowns this season. He missed two games earlier this season with a concussion.
Now in his fourth season in the NFL, Reed has never played a full season due to injuries.
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