The Chargers elected to sign Dontae Johnson to a contract out of that group. Los Angeles also signed Anthony Johnson and Campbell to the practice squad.
Willson, 29, is a former fifth-round pick of the Seahawks back in 2013. He played out the final year of his four-year, $2,338,532 rookie contract with the Seahawks and re-signed to a one-year contract in 2017.
The Lions elected to sign Willson to a one-year contract worth $2.5 million for the 2018 season. The Raiders signed him to a one-year deal in 2019.
In 2018, Willson appeared in 14 games for the Lions and caught 13 passes for 87 yards receiving and no touchdowns. Pro Football Focus has him rated as the No. 57 tight end out of 70 qualifying players