Indianapolis placed Flowers (Achilles) on its injured reserve list Tuesday.
Flowers suffered a torn Achilles in Sunday's 29-23 loss to the Rams and will be out for the remainder of the season, Nate Atkins of The Indianapolis Star reports.
Flowers aggravated his ankle injury during Sunday's 29-23 overtime loss to the Rams, Stephen Holder of ESPN reports.
Flowers (ankle) is active for Sunday's contest against the Ravens.
Flowers (ankle) was a limited participant at practice Friday and is listed as questionable for Sunday's game at the Ravens.
Flowers had five total tackles and returned a kickoff for 19 yards in Sunday's loss to Jacksonville.
Flowers is listed as both the team's top punt and kick returner along with a starting cornerback in Indianapolis' first unofficial depth chart of the regular season.