Mack signed a reserve/future contract with the 49ers on Monday, Aaron Wilson of ProFootballNetwork.com reports.

EDGE Analysis

Mack joined the 49ers' practice squad on Dec. 6 after a stint with the Titans. Previously, he was let go by the Giants during training camp after appearing in 11 games for them in 2020, when he recorded seven catches on 11 targets for 91 yards. The 24-year-old will work to carve out a bigger role for himself in 2022.