The
St. Louis Cardinals selected McGreevy in the first round, with the 18th overall selection, in the
2021 Major League Baseball draft. He signed with the Cardinals on July 16, 2021, for a $2.75 million bonus. McGreevy was assigned to the
Rookie-level Florida Complex League Cardinals to start his professional career. After two games, he was promoted to the
Palm Beach Cardinals of the
Low-A Southeast. He started five games with Palm Beach, giving up six runs and ten hits over six innings. McGreevy was assigned to the
Peoria Chiefs of the
High-A Midwest League to begin the 2022 season. After eight starts in which he went 3-1 with a 2.58 ERA over innings, he was promoted to the
Springfield Cardinals of the
Double-A Texas League with whom he ended the season. Over twenty starts with Springfield, McGreevy went 6-4 with a 4.64 ERA and 76 strikeouts over 99 innings. He returned to Springfield to open the 2023 season and was quickly promoted to the
Memphis Redbirds of the
Triple-A International League. Over 27 starts between the two teams, McGreevy posted a 13-6 record, a 4.12 ERA, and 123 strikeouts over 153 innings. McGreevy was assigned to Memphis to open the 2024 season. In 20 starts before his promotion, he compiled a 5–7 record and 4.45 ERA with 138 strikeouts across 150 innings of work. On July 31, 2024, McGreevy was selected to the
40-man roster and promoted to the major leagues for the first time. He made his MLB debut that night as the starting pitcher versus the
Texas Rangers, giving up one earned run and striking out three batters in a 10-1 Cardinals win. In four games (three starts) for the Cardinals during his rookie campaign, McGreevy posted a 3-0 record and 1.96 ERA with 18 strikeouts over 23 innings of work. McGreevy was optioned to Triple-A Memphis to begin the 2025 season. In six starts of his second stint in the minors, he compiled a 3–1 record and 4.08 ERA with 25 strikeouts across innings of work. On May 4, 2025, McGreevy was promoted to the major leagues for the second time in his career. He was optioned back to Memphis in June, and was called up and sent back down multiple times throughout the month. On July 21, he was promoted to St. Louis once again. ==References==