Graduating from Washington State University, Aynsley signed with his home province's BC Lions, playing 31 games for them over 3 years and catching 50 passes for 784 yards and one touchdown.
Moving to the Montreal Alouettes for nearly 3 seasons, he would play 41 games with 79 receptions for 1588 yards and 9 touchdowns.
He then played parts of 3 seasons with the Hamilton Tiger-Cats; 19 games with 30 catches for 492 yards and 4 touchdowns.
He finished his career with 9 games with the Winnipeg Blue Bombers, snagging 5 passes for 74 yards.
This biographical article relating to a Canadian football wide receiver is a stub.