The Toronto Argonauts have signed 2015 CFL Draft pick Dan MacDonald as well as international defensive lineman Javoddren Copeland and international defensive back Jordan Sullen, the team announced today.

MacDonald, a 5-10, 215-pound, native of Burlington, Ontario spent the last five seasons at the University of Guelph, primarily as a long snapper. The 2015 Yates Cup Champion attended training camp with the Argonauts last season after being selected in the 56th overall in the 2015 CFL Draft.

Copeland, a 6-1, 270-pound native of Perry, Georgia previously spent time with the NFL’s Dallas Cowboys and New York Jets.

The Louisiana State product played 42 games over four seasons as a fullback with the Tigers, registering 36 carries for 92 yards and seven touchdowns while adding seven receptions for 85 yards.

Sullen, a 5-11, 200-pound native of New Orleans, Louisiana, participated in rookie camp with the Argonauts in 2015 prior to spending training camp with the NFL’s Pittsburgh Steelers last season.

Following his collegiate career at Tulane, he also had stints with the NFL’s Chicago Bears and Denver Broncos in 2014. In four seasons at Tulane, he racked up 96 tackles, 2.5 tackles for a loss, three interceptions, one forced fumble and 20 pass breakups while also returning 36 kickoffs for 720 yards.