Rigg signed a reserve/future contract with the Titans on Thursday, John Glennon of SI.com reports.
Rigg spent training camp with the Bengals after joining them as a UDFA in May. However, after being unable to make the team out of camp, he did find his way to the Steelers' practice squad. Ultimately, the 24-year-old was unable to maintain a spot with the team. He'll now work toward earning an opportunity with the Titans.