[1] He became a starter as a junior and used the extra year of eligibility granted to college athletes in 2020 due to the COVID-19 pandemic and returned to Holy Cross for a fifth season.
[3] Whitley signed with the Los Angeles Rams as an undrafted free agent on April 30, 2022.
[6][7] The Kansas City Chiefs signed Whitley off the Rams' practice squad to their active roster on September 21, 2022.
[10] On October 19, 2022, the Minnesota Vikings signed Whitley off the Kansas City Chiefs practice squad.
[15][16] He was elevated to the active roster on September 9, 2023, for the week 1 game against the Tampa Bay Buccaneers.