[1] After the season, he briefly played in the Cape Cod Baseball League for the Bourne Braves.
[2][3] He was selected by the St. Louis Cardinals in the fifth round of the 2021 Major League Baseball draft.
[6] After eight starts in which he went 3–2 with a 0.99 ERA, 56 strikeouts, and four walks over 45+2⁄3 innings, he was promoted to the Springfield Cardinals of the Double-A Texas League.
[9] For the 2023 season, Graceffo was assigned to the Memphis Redbirds of the Triple-A International League.
[14] Graceffo made his major league debut the next day on June 29, 2024, pitching 4.1 innings in relief against the Cincinnati Reds.