Adonis Giron is a five-foot-10, 190 lb. outfielder from Santo Domingo, DR. Born on February 22, 2001, he signed his first professional contract with the Miami Marlins on July 2, 2017. After hitting .255 in 67 games for the Rookie-level DSL Marlins in 2018, they traded him to the Houston Astros for Brayan De Palma.
Giron spent 2019 in the Gulf Coast League with their version of the rookie-level Astros, and he played in a grand total of 23 games, hitting .191. After the year off, he split 2021 between the FCL Astros and the Low-A Fayetteville Woodpeckers to hit .