Further details regarding the deal were not disclosed.
READ MORE: Elks lose final home game to Lions
The 25-year-old player first joined the Elks when he signed with the team in July. He played eight games for Edmonton in 2022, finishing second on the team with four touchdowns.
Mitchell finished the season with the third-most receiving yards for the Elks with 637 and also led the club in receptions over 30 yards with six such catches.
The native of Memphis, Tenn., has previously spent time with the NFL’s Minnesota Vikings. He was on that team’s practice squad in 2019 and 2020 after the Vikings selected him with the 239th overall pick in the 2019 NFL Draft.
READ MORE: Edmonton Elks lament 4-14 season
The Elks missed the 2022 CFL playoffs after finishing the season with a 4-14 record.