[1] He made his professional debut in 2019 with the Dominican Summer League Indians, hitting .306/.402/.428 with one home run, 27 RBI, and 11 stolen bases.

[3] Martínez returned to action in 2021 with the Single-A Lynchburg Hillcats, playing in 97 games and slashing .241/.319/.382 with seven home runs, 46 RBI, and 13 stolen bases.

In 102 games split between the two affiliates, Martínez accumulated a .278/.378/.471 batting line with 13 home runs, 44 RBI, and 12 stolen bases.

Martínez began the 2024 season on the major league 10-day injured list after suffering a foot contusion in spring training.

He was transferred to the 60-day injured list on April 17, 2024, after it was announced he would undergo surgery to repair a hamate fracture in his right wrist.