Younger's CFL career began with the Toronto Argonauts in 2004 when he led the team with 11 pass knockdowns and won a Grey Cup championship. He was named a CFL All-Star in 2005 and 2007.
On January 13, 2009, Younger was signed to play again for the Argonauts.[1] On February 10, 2010, Younger was released by the Argonauts, but was later re-signed by the team on March 4, 2010. On November 25, 2012, Younger won the 100th Grey Cup with the Argonauts, serving as their defensive captain. On November 27, 2012, Younger accompanied the Grey Cup during the Argonauts' championship parade.[2] On June 2, 2013, Younger did not attend the mandatory training camp sessions as he was preparing for retirement.[3]
Football coaching career
Oakville Titans
In 2013, Younger served as defensive backs coach for the Oakville Titans.[4]
On May 18, 2015, Younger was named the defensive backs coach for the Toronto Argonauts, marking his return to the organization since winning the 100th Grey Cup championship in 2012 as their defensive captain.[6]
Winnipeg Blue Bombers
On January 5, 2018, it was announced that Younger was hired as the Defensive Backs Coach for the Winnipeg Blue Bombers.[7] He won his third Grey Cup championship and first as a coach when the Blue Bombers defeated the Hamilton Tiger-Cats in the 107th Grey Cup game. He won his fourth championship in the next season when the Blue Bombers repeated as champions following their 108th Grey Cup victory.
On January 8, 2024, it was announced that Younger had been promoted to defensive coordinator.[8]