Sermon had two carries for zero total yards and one reception for seven yards in Sunday's loss at Green Bay.
Sermon did not log a rushing attempt or draw a target during Sunday's 29-27 loss to the Texans.
Sermon (hamstring) is not listed on the Colts' injury report ahead of Sunday's season opener against the Texans.
Sermon (hamstring) returned to practice Wednesday, Nate Atkins of The Indianapolis Star reports.
Colts coach Shane Steichen said Sunday that he's hopeful for Sermon (hamstring) to return to practice next week, George Bremer of The Anderson Herald Bulletin reports.
Sermon (hamstring) didn't play in Thursday's 27-14 preseason win over the Bengals.
Sermon won't return to Sunday's exhibition contest against Denver due to a hamstring injury, Adam Schefter of ESPN reports.
The Colts re-signed Sermon on Thursday, JJ Stankevitz of the team's official site reports.
Sermon wasn't tendered by the Colts, making him an unrestricted free agent, Tom Pelissero of NFL Network reports.
Sermon recorded 35 carries for 160 yards over 14 games in 2023, adding three catches for 13 yards on six targets.