Senst started his career with the Winnipeg Blue Bombers in 1970,[1] catching 22 passes for 393 yards, and was winner of the Dr. Beattie Martin Trophy for Canadian rookie of the year in the west.[2] He played 3 seasons with the Calgary Stampeders, catching 25 passes for 352 yards and winning the Grey Cup in 1971.[3] He finished with 59 receptions for 933 yards and 2 touchdowns.