Arizona Diamondbacks in Preseason Top 500
Glossary for future grades: h-hit tool, p-power tool, s-speed tool, fb-fastball, sl-slider, cv-curveball, ch-change-up, ct-cutter, fv-future value overall. Ages are as of July 1.
| NO. | NAME | POS | B/T | FUTURE GRADES | LEVEL | AGE | ETA |
| 1 | Corbin Carroll | OF | L/L | 60h-60p-80s-70fv | MLB | 22 | now |
| 2 | Jordan Lawlar | SS | R/R | 60h-55p-60s-70fv | AA | 20 | late-2023 |
| 3 | Druw Jones | OF | R/R | 55h-60p-70s-65fv | R (ACL) | 19 | 2025 |
| 4 | Brandon Pfaadt | SP | R/R | 60fb-45cv-45sl-60ch-55fv | AAA | 24 | early-2023 |
| 5 | Drey Jameson | SP | R/R | 65fb-50cv-55sl-60ch-50fv | MLB | 25 | now |
| 6 | Deyvison De Los Santos | 3B | R/R | 50h-65p-40s-50fv | High-A | 20 | 2024 |
| 7 | Gabriel Moreno | C | R/R | 60h-45p-45s-50fv | MLB | 23 | now |
| 8 | Ryne Nelson | SP | R/R | 60fb-55cv-55sl-50ch-50fv | MLB | 25 | now |
| 9 | A.J. Vukovich | 3B | R/R | 40h-55p-45s-50fv | AA | 21 | 2024 |
| 10 | Blake Walston | SP | L/L | 60fb-60cv-50sl-55ch-45fv | AA | 22 | mid-2023 |
| 11 | Wilderd Patino | OF | R/R | 50h-55p-60s-45fv | High-A | 21 | 2024 |
| 12 | Landon Sims | SP | R/R | 65fb-70sl-45ch-45fv | R (ACL) | 22 | 2025 |
| 13 | Yu-Min Lin | SP | L/L | 50fb-55cv-50sl-60ch-45fv | Low-A | 20 | 2025 |
| 14 | Ivan Melendez | 1B | R/R | 50h-60p-30s-45fv | Low-A | 23 | 2025 |
| 15 | Blaze Alexander | SS | R/R | 45h-45p-50s-45fv | AAA | 24 | mid-2023 |
| 16 | Jorge Barrosa | OF | S/L | 55h-35p-55s-45fv | AA | 22 | late-2023 |
| 17 | Dominic Canzone | OF | L/R | 50h-50p-40s-45fv | AAA | 25 | mid-2023 |
| 18 | Kristian Robinson | OF | R/R | 45h-60p-55s-45fv | Low-A (RL) | 22 | 2024 |