He played college football for the NC State Wolfpack and was selected by the Philadelphia Eagles in the sixth round of the 2024 NFL draft.
While there, he lettered in wrestling and track, finishing second in the state of Georgia as a junior in the shot put and discus.
[2] McMahon attended NC State University in Raleigh, North Carolina, from 2019 through 2024.
[5][6] Prior to rookie minicamp, McMahon met Jason Kelce, who spent his entire 13-year career as the Eagles' starting center.
[9][10] On September 11, 2024, McMahon was signed by the Los Angeles Rams off the Eagles practice squad.