Trevor Siemian

Injury update: Trevor Siemian has a sprained AC joint

Published Jun. 30, 2017 6:28 p.m. ET

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The Denver Broncos may be without starting quarterback Trevor Siemian for the foreseeable future, after he suffered a sprained AC joint on Sunday.

The Denver Broncos ran their record to 4-0 on the young season on Sunday, beating the Tampa Bay Buccaneers 27-7. Quarterback Trevor Siemian had the offense rolling during the first half, but had to leave late in the second quarter with a shoulder injury. That injury turned out to be a sprained AC joint in his non-throwing shoulder, per NFL Network’s Ian Rapoport.

Siemian has played very well for the Broncos this season, after beating out Mark Sanchez and Paxton Lynch during the preseason. Sanchez was signed by Denver to be the starter, but played horribly during training camp. Lynch was the team’s first round draft selection this year, and did not appear ready for game action when the season started.

Seen as a placeholder for Lynch when the season started, Siemian has led the Broncos to an undefeated record through the first quarter of the season. He was more of a game manager during the first two games of the season, before exploding for over 300 yards and four touchdowns last season. He has tossed a touchdown to Demaryius Thomas before his injury on Sunday.

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Lynch stepped right in on Sunday, leading the Broncos on three scoring drives during the second half. He threw his first career touchdown to Emmanuel Sanders, and was able to show his rocket for a right arm on plenty of occasions. He did struggle with his accuracy, but the Broncos should be able to win games if he has to start in Siemian’s place.

The Broncos will play host to the Atlanta Falcons in Week 5, as they look to start the season a perfect 5-0. Atlanta has been one of the hottest teams in football the past few weeks, and are coming off a 48-point effort against defending NFC Champion Carolina Panthers. Denver has the defense to stop the Falcons, but it remains to be seen who will be under center next Sunday.