[4] Romo spent that summer playing for the USA Baseball 18-and-under National Team[3] as well as participating in the Under Armour All-American Game.

[6][7] The Colorado Rockies selected Romo with the 35th overall pick in the 2020 Major League Baseball draft.

[10] Romo was assigned to the Fresno Grizzlies of the Low-A West for the 2021 season, slashing .314/.345/.439 with six home runs, 47 RBI, and 23 stolen bases over 79 games.

[13] To open the 2023 season, Romo was assigned to the Hartford Yard Goats of the Double-A Eastern League.

He was selected to play in the Arizona Fall League for the Salt River Rafters after the season.