Johnson was waived by the Jaguars, Hilliard by the 49ers and Roche by the Steelers during final cuts yesterday. Hillard was an undrafted rookie and Roche a sixth-round pick this year.
Johnson, 23, was a four-year starter at Texas. The Jaguars used the No. 165 overall pick in the fifth round to draft him in 2020.
Johnson signed a four-year rookie deal worth $3,602,150 that includes a signing bonus of $307,150.
In 2020, Johnson appeared in 14 games for the Jaguars and caught 18 passes for 272 yards and two touchdowns.