Johnson recorded three tackles (two solo), an interception and a pass defended during Sunday's 28-20 victory against the Commanders.
Johnson registered six tackles (one solo), two pass deflections and an interception during the Rams' 36-19 win over Cleveland on Sunday.
Johnson is active Sunday against the Colts after dealing with a facial injury during the week, Gary Klein of the Los Angeles Times reports.
Johnson is listed as questionable for Sunday's contest against the Colts due to a facial injury, Adam Caplan of SiriusXM NFL Radio report.
Johnson signed a one-year contract with the Rams on Monday, Jeremy Fowler of ESPN.com reports.
Browns general manager Andrew Berry said Tuesday that Johnson will be released, Tom Withers of the Associated Press reports.
Johnson recorded five tackles in a 28-14 loss to the Steelers in Week 18.
Johnson (thigh) is good to go for Saturday's Christmas Eve matchup against the Saints.
Johnson (thigh) has been deemed questionable to play Saturday against the Saints, Mary Kay Cabot of The Cleveland Plain Dealer reports.
Browns coach Kevin Stefanski said that Johnson sustained a thigh contusion during Saturday's 13-3 win over the Ravens, Scott Petrak of the Elyria Chronicle-Telegram reports.