New York Mets 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 | Francisco Alvarez | C | R/R | 50h-70p-30s-60fv | MLB | 21 | early-2023 |
| 2 | Brett Baty | 3B | L/R | 60h-60p-45s-60fv | MLB | 23 | now |
| 3 | Kevin Parada | C | R/R | 60h-60p-40s-55fv | Low-A | 21 | 2024 |
| 4 | Kodai Senga | SP | R/R | 60fb-70sp-50ct-50sl-55fv | Japan | 30 | now |
| 5 | Alex Ramirez | OF | R/R | 45h-55p-55s-55fv | High-A | 20 | 2025 |
| 6 | Ronny Mauricio | SS | S/R | 40h-60p-45s-50fv | AA | 22 | mid-2023 |
| 7 | Mark Vientos | 3B | R/R | 40h-55p-40s-50fv | MLB | 23 | early-2023 |
| 8 | Jett Williams | SS | R/R | 55h-45p-60s-50fv | R (FCL) | 19 | 2026 |
| 9 | Blade Tidwell | SP | R/R | 60fb-60sl-55ch-50cv-45fv | Low-A | 22 | 2025 |
| 10 | Calvin Ziegler | SP | R/R | 60fb-55cv-45ch-45fv | Low-A | 20 | 2025 |
| 11 | Dominic Hamel | SP | R/R | 55fb-50cv-55sl-50ch-45fv | High-A | 23 | 2024 |
| 12 | Jose Butto | SP | R/R | 50fb-40cv-60ch-45fv | AAA | 25 | mid-2023 |
| 13 | Joel Diaz | SP | R/R | 60fb-50cv-50ch-45fv | Low-A | 19 | 2025 |
| 14 | Mike Vasil | SP | L/R | 55fb-50cv-55sl-50ch-45fv | High-A | 23 | 2024 |
| 15 | Simon Juan | OF | R/R | 50h-55p-55s-45fv | R (DSL) | 17 | 2026 |