Luis Vega is a six-foot-three, 165 lb. right-handed pitcher from Matanzas, Cuba. Born on November 16, 2001, he signed his first professional contract with the Astros on May 21, 2019 to a deal that included a $300,000 signing bonus.
Vega joined the DSL Astros at the rookie level after signing, and pitched 30 1⁄3 innings over 14 appearances, including a pair of starts. He was 2-1 with a 2.67 ERA, a 1.451 WHIP, and struck out 33 while walking only 11.
Vega split the 2021 season between the FCL Astros at the rookie level and the Low-A Fayetteville Woodpeckers.