He won the 101st Grey Cup and was awarded the Annis Stukus Trophy, given to the CFL's Coach of the Year, in 2013.

Chamblin was a preseason All-Ohio Valley Conference selection his senior year at Tennessee Tech.

He played in 43 games with 35 starts, totaling 161 tackles, three interceptions, eight passes defensed and two blocked punts.

[11] On November 10, 2013, Chamblin won his first CFL head coaching career playoff game, a 29–25 win over the BC Lions.

On August 31, 2015, after leading the Roughriders to an 0–9 start, Chamblin was fired and relieved of his head coaching duties along with general manager Brendan Taman.

In June 2018, Chamblin was hired as a defensive backs quality control coach at the University of Arkansas.

[13] Following the firing of Marc Trestman after the 2018 season, Chamblin was named head coach of the Argonauts on December 10, 2018.