Gordon Joseph Graceffo (born March 17, 2000 in Wayne, NJ) is an American professional baseball pitcher for the St. Louis Cardinals. The name Graceffo hails from the Agrigento/Sciacca region of Sicily.

Graceffo attended Cranford High School in Cranford, New Jersey and played college baseball at Villanova University. As a redshirt sophomore in 2021, he started 11 games and went 7–2 with a 1.54 ERA, 86 strikeouts, and 13 walks over 82 innings. After the season, he briefly played in the Cape Cod Baseball League for the Bourne Braves. He was selected by the St. Louis Cardinals in the fifth round of the 2021 Major League Baseball draft.

Graceffo signed and made his professional debut with the Palm Beach Cardinals of the Single-A Florida State League, going 1–0 with a 1.73 ERA and 37 strikeouts over 26 innings. He opened the 2022 season with the Peoria Chiefs of the High-A Midwest League. 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. He was named the Cardinals' Minor League Pitcher of the Month for both April and May. Over 18 starts with Springfield, he posted a 7–4 record with a 3.94 ERA and 83 strikeouts over 93+2⁄3 innings. For the 2023 season, Graceffo was assigned to the Memphis Redbirds of the Triple-A International League. He missed time during the season due to shoulder inflammation. Over 21 games (18 starts), he went 4–3 with a 4.92 ERA and 81 strikeouts over 86 innings.

He returned to Memphis to open the 2024 season, where he posted a 3.84 ERA (75.0 IP) and 70 strikeouts over 14 starts out of the Memphis rotation this season, sharing the Triple-A lead in victories (8) while ranking among qualified leaders in opposing OPS (.686, 4th) and ERA (10th). From June 1 to June 27, 2024, the Cardinals No. 8 prospect was 4-0 with 2.05 ERA (22.0 IP) and 21 strikeouts in four starts, which included an active 11.0 innings scoreless streak in his last two appearances before being called up.  On 6/28/24, Gordon was promoted to the MLB Cardinals.

(excerpted from BR Bullpen, Baseball Almanac and Wikipedia)