This past week, the Arizona Diamondbacks officially promoted their No. 1 organizational prospect, as outfielder Ryan Waldschmidt saw his first MLB action . But there's still some talent still waiting in the D-backs' minor league system. Waldschmidt is already displaying some results at the major league level. But who might be next on the list for a potential call-up? Here are three D-backs prospects who have a good case to be the next man up from the minor leagues. Diamondbacks INF/OF Tommy Troy (No. 4) Feb 18, 2026; Scottsdale, AZ, USA; Arizona Diamondbacks infielder Tommy Troy (98) poses for a photo for MLB media day at Salt River Fields at Talking Stick. Mandatory Credit: Allan Henry-Imagn Images | Allan Henry-Imagn Images Tommy Troy was the D-backs' first-round selection in the 2023 MLB Draft, taken 12th overall at the time. So far in the 2026 season, he's putting up a sturdy .315/.413/.452 slash at the Triple-A level.…