Luis Severino (born February 20, 1994) is a Dominican professional baseball pitcher for the New York Yankees of Major League Baseball (MLB). He is considered the Yankees' top prospect by numerous scouts.

Severino signed with the New York Yankees as an international free agent in 2012, agreeing on a $225,000 signing bonus. At the time, he could throw his fastball at 91 miles per hour (146 km/h). He made his professional debut for the Dominican Summer League (DSL) Yankees 1 that year. He started 14 games, pitching to a 4–2 win-loss record with a 1.68 earned run average (ERA) and 45 strikeouts in 64 ¹⁄₃ innings. He started 2013 with the DSL Yankees 1 and was promoted to the Charleston RiverDogs of the Class A South Atlantic League during the season. He finished 4–2 with a 2.45 ERA, 53 strikeouts over 44 innings in 10 games (eight starts). His fastball velocity reached 97 miles per hour (156 km/h) at Charleston.

Prior to the 2014 season, Baseball America ranked him as the Yankees ninth best prospect. Severino started the season with Charleston before being promoted to the Tampa Yankees of the Class A-Advanced Florida State League. After his promotion to Tampa, he was selected to appear in the 2014 All-Star Futures Game in July. After the Futures Game, he was again promoted, to the Trenton Thunder of the Class AA Eastern League. Combined between the three teams, Severino went 6–5 win-loss record with a 2.46 ERA, 127 strikeouts, and 27 walks in 24 games (all starts) and 113 innings pitched. Before the start of the 2015 season, Severino was ranked the best prospect in the Yankees farm system and the 23rd best out of all minor league players.

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