San Francisco made Jennings (6-3, 212) a seventh-round selection (No. 217 overall) out of Tennessee in 2020. He registered 35 receptions for 416 yards and a touchdown through 16 game appearances (four starts) with the 49ers last season, per Pro Football Reference.
Jennings, 25, has caught 59 passes for 698 yards and six touchdowns in 32 game appearances (five starts) through his two NFL seasons.