Coming out of high school he was ranked the third-best quarterback in North Carolina and the 41st-best player in the whole state according to Rivals.com.
[4] In 2018, McKay saw playing time in five games and finished the season completing seven of his eight pass attempts.
[7] In December 2019, McKay transferred to FCS school Montana State.
[8] Prior to the team's playoff game against UT Martin, McKay announced he would transfer for a second time after he was benched for freshman Tommy Mellott.
[5][12] After going undrafted in the 2023 NFL draft, McKay signed a letter of intent with the San Antonio Brahmas of the XFL on October 18, 2023.
[15] On July 8, 2024, McKay was signed by the Frankfurt Galaxy of the European League of Football (ELF).
[16] McKay's younger brother, Timothy, is an offensive lineman for NC State.