The Bengals placed Brown (knee) on injured reserve Saturday, Adam Schefter of ESPN reports.
Brown will undergo season-ending surgery to repair a torn patellar tendon suffered in Monday's 38-33 loss to the Commanders, Ian Rapoport of NFL Network reports.
Brown (undisclosed) practiced Monday for the first time. He will likely be the starting right tackle with rookie first-rounder Amarius Mims (pectoral muscle) will be out several weeks, Paul Dehner Jr. of The Athletic reports.
Brown passed a physical Sunday and has been cleared to practice.
The Bengals placed Brown (undisclosed) on the active/Non-Football Injury list Tuesday.
Brown (illness) participated in the initial practice of Cincinnati's mandatory minicamp Tuesday, Ben Baby of ESPN.com reports.
Brown is set to sign a one-year deal with the Bengals, Andrew Callahan of the Boston Herald reports.
Brown's contract voided Monday after failing to reach an extension with the Patriots, Jeremy Fowler of ESPN.com reports.
Brown (illness) has been ruled out ahead of Sunday's game against the Jets, Zack Cox of NESN.com reports.
Brown (hand) is active for Sunday's game against the Broncos.