He finished the year with 12 carries good for 55 yards and no fumble. His carries were all in the first games of the year. Later in the year, he was more used as Calvillo's personnal blocker.
He scored his first offensive touchdown. He even finished the year with 6 rushing touchdowns, which is his career's best to this point. His best game was against the Argonauts in which he scored 3 touchdowns.
Missed the 1st game of the season due to a knee injury. In Game 17 in Toronto he scored his 1st career touchdown on a fumble return in the last play. Diedrick finished the season as 3rd for the most carries and tied for 5th for most special teams tackles. Grey Cup Champion 2010
Missed Game 13, 15 and 16 due to a groin injury and Game 18 with a knee injury. Placed 2nd for special teams tackles with the Alouettes'. Grey Cup Champion 2009
He finished third on the Alouettes for most carries and most rushing yards… He missed Games 17 and 18 and the Grey Cup with a knee injury.
He finished fifth on the Alouettes for most special teams tackles… He was moved to fullback during the season… He missed Games 3 and 4 with a leg injury.
He studied criminal justice… He has a daughter named Dominique.