The Colts activated Muhammad from the reserve-suspended list Monday, Aaron Wilson of KPRC 2 Houston reports.
Muhammad was suspended six games on Dec. 6 for violating the NFL's policy on performance-enhancing drugs and did not play a snap in 2023. He last played in 2022 for the Bears, when he accumulated 29 tackles (15 solo), including one sack, and one forced fumble over 16 games.