Report: Andrew Luck had fractured ribs

Andrew Luck's recent struggles are well documented. We now know one reason why he's been playing differently this season.

Fox Sports' Jay Glazer reported Sunday that Luck suffered multiple fractured ribs at the same time he suffered the shoulder injury that caused him to miss Weeks 4 and 5. NFL Media Insider Ian Rapoport confirmed through Colts and league sources that Luck suffered a rib injury that he received treatment on. Colts sources say he would not have missed any practice time because of the rib injury, and that he's fully recovered now. Luck has not been listed on the injury report with the rib injury at any stage this season.

"Our injury reports are accurate. If people have any questions about player injuries, they should refer to our injury reports," Colts general manager Ryan Grigson said in a statement.

Rapoport reported that the Colts have previously been in communication with the league on the shoulder injury. Teams that do not properly disclose injuries are subject to fines.

This news perhaps does help to explain some of Luck's struggles this year. Fractured ribs will go a long way toward altering a throwing motion and making a quarterback get rid of the ball sooner than he wants to. Both of these issues have been hallmarks of Luck during his early 2015 to forget.