The Kansas City Royals announced on Monday that they have claimed right-handed pitcher Conner Greene off waivers from the St. Louis Cardinals. In a corresponding move, the club has designated right-handed pitcher Burch Smith for assignment.
Greene, 23, split the 2018 season between Triple-A Memphis and Double-A Springfield, going 4–5 with a 4.09 ERA (40 ER in 88.0 IP) in 40 appearances (10 starts). This included a 2.52 ERA (7 ER in 25.0 IP) and .185 opponents’ average (15-for-81) in his first 19 appearances after being promoted to Memphis on June 4. He also made nine relief appearances for Surprise in the Arizona Fall League, going 0–2 with a save and an 11.