Gomes was born in Brazil. His father Décio is a tennis instructor, and his mother is named Cláudia. He was introduced to baseball by a Cuban coach his father met in São Paulo. Gomes's family moved to the United States when he was 12.

Gomes is married to Jenna Hammaker, daughter of former pitcher and All-Star Atlee Hammaker.

Gomes attended Miami Southridge High School in Miami, Florida, where he played for the school's baseball team. He enrolled at the University of Tennessee, where he played college baseball for the Tennessee Volunteers in the Southeastern Conference of the National Collegiate Athletic Association's (NCAA) Division I. At Tennessee, he started at every infield position except shortstop. He also spent a season as J. P. Arencibia's backup at catcher. After his first season with Tennessee, he was named an NCAA Division I Freshman All-American.

...
Wikipedia