Mahon was a standout offensive lineman for the Rams, where he was an all-state selection as a junior and senior as well as being ranked in the ESPN 300 and the 4th-best college football prospect in New Jersey.
Following his senior season, he was selected to play in the 2013 U.S. Army All-American Bowl and was a team captain in the game.
[2] Mahon moved from left to right tackle during his junior season and was named first-team All-Big Ten by Pro Football Focus.
As a senior, Mahon received the Richard Maginnis Memorial Award as Penn State's most outstanding offensive lineman.
[1] Mahon signed with the Carolina Panthers as an undrafted free agent on April 28, 2018, and made the 53-man roster out of training camp.