He tore the ulnar collateral ligament in his pitching elbow prior to the start of his freshman season, requiring him to undergo Tommy John surgery and redshirt the year.

McDermott was the starting pitcher for Bowie, with Nolan Hoffman and Easton Lucas pitching in relief to seal the no-hit bid.

McDermott had a career-high eleven strikeouts and took a perfect-game attempt into the seventh inning of a 2–0 Tides away win over the Nashville Sounds on May 3, 2024.

It was also the second time in two consecutive years that he started a combined no-hitter, with Hoffman and Kaleb Ort coming out of the bullpen to complete the achievement.

[12] McDermott's older brother, Sean, played in the National Basketball Association (NBA) for the Memphis Grizzlies.