The Montreal Alouettes have released four national players, running back Dillon Campbell, offensive lineman Matt Vonk, receiver Seydou Junior Haidara and defensive back Mikaël Charland.
Campbell played one game for Montreal in 2017 registering one carry for seven yards. He was drafted by the Toronto Argonauts in the fifth round, 39th overall in the 2015 CFL draft.
Vonk tore his ACL after dressing in nine games for the Alouettes last season. The 27-year-old has played in 36 carer games since being selected in the fifth-round, 36th overall by Saskatchewan in the 2013 CFL draft.
Haidara played in 16 games making five receptions for 28 yards in 2017 for Montreal. He was selected in the second-round, 12th overall by the B.C. Lions in the 2013 CFL draft. The 29-year-old has played in 70 career CFL games with the Lions, Riders, Bombers and Alouettes.
Charland signed a two-year extension in December after contributing to special teams for 12 games making one tackle. He was a second-round pick, 16th overall by the Ottawa Redblacks in the 2016 CFL draft.