Chiefs coach Andy Reid said Wednesday that Brown (shoulder) is "on scheduled, or a little but ahead" in his recovery from September surgery, Nate Taylor of The Athletic reports.

Brown, who was placed on injured reserve Friday after undergoing surgery to repair his shoulder, is unlikely to play during the regular season, Adam Schefter of ESPN reports.

Brown (shoulder) has been placed on IR by the Chiefs.

Chiefs Vice President of Sports Medicine and Performance Rick Burkholder said Friday that Brown (shoulder) is scheduled to undergo surgery Monday and that he is without a timetable to return, Sam McDowell of The Kansas City Star reports.

Brown (shoulder) is reportedly in line to head to IR, according to Ian Rapoport of NFL Network.

Brown (shoulder) won't practice Thursday, Matt McMullen of the Chiefs' official site reports.

Brown (shoulder) won't practice Wednesday, Nate Taylor of The Athletic reports.

Brown (shoulder), who is inactive for Thursday's game against the Ravens, may be able to play in the Chiefs' Week 2 matchup with the Bengals on Sunday, Sept. 15, Ian Rapoport of NFL Network reports.

Brown (shoulder) has been officially ruled out for Thursday night's season opener against the Ravens, per the Chiefs' official site.

Coach Andy Reid said Tuesday that Brown (shoulder) has been ruled out for Thursday's regular-season opener against the Ravens, Pete Sweeney of ArrowheadPride.com reports.