Cornick participated in football and track and field for Orono High School. He was an Associated Press honorable mention all-state selection in 2006 and a Star Tribune third-team all-metro team selection.[2] He has one older sister, Jennifer Campbell.
Cornick signed with the New York Jets on July 12, 2012 after going undrafted in the 2012 NFL draft. He was released by the Jets on August 31, 2012.[3]
Denver Broncos
Cornick was signed to the Denver Broncos' practice squad on December 10, 2012. He was released by the Broncos on August 31, 2013. He was signed the Broncos' practice squad on September 4, 2013. Cornick was signed to a futures deal by the Broncos on February 4, 2014.[3] He made his NFL debut on September 7, 2014 against the Indianapolis Colts.[4] He was released by the Broncos on May 4, 2015.[5]
Chicago Bears
Cornick was claimed off waivers by the Chicago Bears on May 5, 2015.[6] He was waived just two days later on May 7, 2015 due to a failed physical.[7][8]