Foscue attended Virgil I. Grissom High School in Huntsville, Alabama, where he played baseball.

[11][12][13] In 2020, Foscue's junior year, he hit .302 with two home runs and 16 RBIs over 16 games before the college baseball season was cut short due to the COVID-19 pandemic.

[16] He did not play in a game in 2020 due to the cancellation of the Minor League Baseball season because of the COVID-19 pandemic.

[19] He received a cortisone injection and rehabbed with the Arizona Complex League Rangers before returning to Hickory on July 10.

[23] He played in the Arizona Fall League for the Surprise Saguaros after the season, hitting .257/.416/.529/.944 with five home runs and 14 RBIs.

[27] Foscue spent the 2023 season with the Round Rock Express of the Triple-A Pacific Coast League, hitting .266/.394/.468/.862 with 18 home runs, 14 stolen bases, and 84 RBI.