McAdoo attended Antioch High School in Antioch, Tennessee. He was selected to the all-state, all-area and all-district team after collecting 36 tackles including 13 sacks and 12 tackles for a loss in his junior season at high school.[1] He was a finalist for Class 5A Mr. Football Lineman in his Senior year in high school.[1]
He was an all-state performer for the high school basketball team in his junior year.[1] He was ranked the No. 13 prospect in the state of Tennessee by SuperPrep.[1] He was ranked among the top 50 defensive ends in the state of Tennessee by Scout.com.[1]
In July 2011, he filed a lawsuit against the NCAA and North Carolina, but the court denied his request to be reinstated for his senior season. He was mostly a backup player that finished with 3½ sacks in his two seasons.
Professional career
Baltimore Ravens
On August 23, after the conclusion of the 2011 NFL Supplemental Draft, he was signed by the Baltimore Ravens as an undrafted free agent.[3] On June 1, 2012, he tore his Achilles tendon in OTA's forcing him to miss the entire season. He was released on June 5, 2013, after the signing of Daryl Smith.[4]
On January 4, 2016, he was re-signed to a reserve/future contract.[6] On September 3, he was waived/injured by the Cowboys and was placed on the injured reserve list.[7] On September 13, he was released with an injury settlement.
He was traded on August 18 to the Saskatchewan Roughriders (CFL) along with a 6th round draft pick in 2018 in exchange for wide receiver Ricky Collins Jr. and a seventh round pick in the 2018 CFL draft.[8] He was released on August 25, 2017.