Jennings, 27, has 27 catches for 235 yards in a three-year career that also included a stop with the Cleveland Browns. He played in all 16 games two years ago for Tennessee, but played in just eight last season.
Jennings has had his largest impact as a kick returner. In 2018, he led the NFL with a 31.7-yard average, returning 22 for 698 yards with the Titans, including a 94-yard touchdown against the Miami Dolphins. He has returned 38 kicks in his career for 1,052 yards.
Undrafted in 2015, Jennings caught 133 passes for 1,667 yards and 11 touchdowns at Virginia.