He worked with former professional pitcher Dennis Long, the pitching coach of the Schooners, who helped increase his velocity to 97 mph.

Over 18 appearances and 29 innings, Foley logged a 1.55 ERA with five saves, 36 strikeouts to just five walks, and recorded a WHIP of 0.86, giving up just five earned runs during the duration of the season.

He moved to the High-A Lakeland Flying Tigers at the end of the season, where he gave up five runs over 71⁄3 innings of work.

In addition, with the first appearance of the season for Casey Mize and his subsequent graduation from the MLB.com Top 30 Prospects rankings for the Tigers, Foley entered the list at #30.

He made his MLB debut that day, pitching a scoreless inning of relief against the Chicago White Sox.

Foley recorded his first major league save on April 18, 2023, pitching a 1-2-3 ninth inning against the Cleveland Guardians to preserve a 1–0 Tigers victory.

[11] On July 8, 2023, Foley was the second of three pitchers to throw a combined no-hitter against the Toronto Blue Jays, pitching 1+1⁄3 innings.