[2] Murphy began his college career at Grand Valley State and redshirted his true freshman season.

[4] Murphy was named the Great Lakes Intercollegiate Athletic Conference (GLIAC) Defensive Lineman of the Year and first team All-GLIAC after finishing the 2021 season with 63 tackles, 14.5 sacks, 21.5 tackles for loss, and five forced fumbles as the Bulldogs won the 2021 NCAA Division II Football Championship Game.

[7] He was also named the GLIAC Player of the Year and won the Gene Upshaw Award as the best lineman in NCAA Division II and the Cliff Harris Award as the nation's best small college defensive player.

[8] Murphy was signed by the Tennessee Titans as an undrafted free agent on April 29, 2023, shortly after the conclusion of the 2023 NFL draft.

[14] On October 30, 2024, Murphy was signed to the Los Angeles Chargers practice squad.