The Chargers signed Reed to a reserve/future contract Tuesday, Aaron Wilson of Sportstalk 790 Houston reports.
Reed spent the 2021 season on the Chargers' practice squad injured list with an undisclosed issue, but he'll return to the team for the 2022 campaign. The wide receiver played in 11 games with the Chargers in 2020, operating mostly as a special-teams option while accumulating 435 kick-return yards.