Miami Marlins 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.
| NO. | NAME | POS | B/T | FUTURE GRADES | LEVEL | AGE | ETA |
| 1 | Eury Perez | SP | R/R | 70fb-60cv-60sl-60ch-65fv | AA | 20 | mid-2023 |
| 2 | Jacob Berry | 3B | S/R | 60h-55p-40s-55fv | Low-A | 22 | 2024 |
| 3 | Yiddi Cappe | SS | R/R | 50h-50p-55s-50fv | Low-A | 20 | 2025 |
| 4 | Max Meyer | SP | L/R | 60fb-65sl-50ch-50fv | MLB (TJ) | 24 | now |
| 5 | Dax Fulton | SP | L/L | 60fb-60cv-50ch-50fv | AA | 21 | late-2023 |
| 6 | Jake Eder | SP | L/L | 60fb-60sl-50ch-50fv | AA | 24 | late-2023 |
| 7 | Kahlil Watson | SS | L/R | 45h-50p-65p-45fv | Low-A | 20 | 2024 |
| 8 | Jacob Amaya | SS | R/R | 45h-40p-50s-45fv | AAA | 23 | mid-2023 |
| 9 | Jordan Groshans | SS | R/R | 55h-45p-50s-45fv | MLB | 23 | now |
| 10 | Sixto Sanchez | SPRP | R/R | 70fb-55cv-55ct-65ch-45fv | AAA | 24 | mid-2023 |
| 11 | Ian Lewis | 2B | S/R | 50h-50p-65s-45fv | Low-A | 19 | 2025 |
| 12 | Jose Gerardo | OF | R/R | 45h-55p-55s-45fv | R (DSL) | 18 | 2026 |
| 13 | Joe Mack | C | L/R | 50h-50p-40s-45fv | Low-A | 20 | 2025 |
| 14 | Jerar Encarnacion | OF | R/R | 40h-55p-45s-45fv | AAA | 25 | early-2023 |
| 15 | Peyton Burdick | OF | R/R | 40h-55p-50s-45fv | MLB | 26 | now |