Eduardo Rivera
#99 P · B/T: L/L · 6' 7", 237 lb · Age 23 · San Juan, Puerto Rico · MLB debut 2026 · Draft: 2021 Rd 11 #338 (ATH) — Colegio CADEST · Boston Red Sox
Career Graph
Pitching
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 0 | 1 | 0 | 4 | 3 | 0 | 10.0 | 2.5 | 10 | 9.0 | 5.4 | 6.30 | 4.19 | 0.1 |
| 2026 pace | 0 | 1 | 0 | 5 | 4 | 12.1 | 12 | ||||||||
| Career | 0 | 1 | 0 | 4 | 3 | 0 | 10.0 | 2.5 | 10 | 9.0 | 5.4 | 6.30 | — | 0.1 |
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | |||||||||||||
| 2026 | WOR | 6 | 2 | 0 | 24 | 3 | — | 45.2 | 1.9 | 55 | 10.8 | 5.3 | 2.96 |
| AAA Total | 6 | 2 | 0 | 24 | 3 | — | 45.2 | 1.9 | 55 | 10.8 | 5.3 | 2.96 | |
| Double-A (AA) | |||||||||||||
| 2025 | POR | 1 | 5 | 0 | 10 | 9 | 2 | 42.1 | 4.2 | 40 | 8.5 | 6.4 | 3.40 |
| 2026 | POR | 1 | 0 | 0 | 2 | 2 | — | 10.0 | 5.0 | 16 | 14.4 | 2.7 | 0.90 |
| AA Total | 2 | 5 | 0 | 12 | 11 | 2 | 52.1 | 4.4 | 56 | 9.6 | 5.7 | 2.92 | |
| High-A (A+) | |||||||||||||
| 2024 | LAN | 0 | 1 | 0 | 4 | 2 | — | 8.1 | 2.1 | 8 | 8.6 | 10.8 | 11.88 |
| 2025 | GVL | 3 | 1 | 0 | 10 | 6 | — | 44.2 | 4.5 | 68 | 13.7 | 3.2 | 1.61 |
| A+ Total | 3 | 2 | 0 | 14 | 8 | — | 53.0 | 3.8 | 76 | 12.9 | 4.4 | 3.23 | |
| Single-A (A) | |||||||||||||
| 2023 | STK | 2 | 7 | 0 | 16 | 12 | — | 69.0 | 4.3 | 75 | 9.8 | 5.7 | 5.35 |
| 2024 | SAL | 0 | 1 | 2 | 10 | 4 | — | 25.1 | 2.5 | 33 | 11.7 | 2.5 | 1.78 |
| A Total | 2 | 8 | 2 | 26 | 16 | — | 94.1 | 3.6 | 108 | 10.3 | 4.9 | 4.39 | |
| Rookie (Rk) | |||||||||||||
| 2021 | A-ATH | 0 | 0 | 0 | 1 | 1 | — | 1.0 | 1.0 | 1 | 9.0 | 0.0 | 0.00 |
| 2022 | A-ATH | 0 | 0 | 0 | 8 | 3 | — | 13.2 | 1.7 | 22 | 14.5 | 7.2 | 3.29 |
| 2024 | F-RSX | 1 | 1 | 1 | 4 | 1 | — | 7.2 | 1.9 | 8 | 9.4 | 2.3 | 4.70 |
| Rk Total | 1 | 1 | 1 | 13 | 5 | — | 22.1 | 1.7 | 31 | 12.5 | 5.2 | 3.63 | |
| Minors Total | 14 | 18 | 3 | 89 | 43 | 2 | 267.2 | 3.0 | 326 | 11.0 | 5.0 | 3.56 | |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | P | 4 | 10.0 | 0 | 0 | 0 | .000 |
| Career | P | 4 | 10.0 | 0 | 0 | 0 | — |
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2026 | WOR | P | 24 | 45.2 | 2 | 3 | 0 | 1.000 |
| AAA Total | — | 24 | 45.2 | 2 | 3 | 0 | 1.000 | |
| Double-A (AA) | ||||||||
| 2025 | POR | P | 10 | 42.1 | 0 | 8 | 0 | 1.000 |
| 2026 | POR | P | 2 | 10.0 | 0 | 1 | 1 | .500 |
| AA Total | — | 12 | 52.1 | 0 | 9 | 1 | .900 | |
| High-A (A+) | ||||||||
| 2024 | LAN | P | 4 | 8.1 | 0 | 0 | 0 | .000 |
| 2025 | GVL | P | 10 | 44.2 | 0 | 6 | 1 | .857 |
| A+ Total | — | 14 | 53.0 | 0 | 6 | 1 | .857 | |
| Single-A (A) | ||||||||
| 2023 | STK | P | 16 | 69.0 | 1 | 5 | 2 | .750 |
| 2024 | SAL | P | 10 | 25.1 | 0 | 3 | 0 | 1.000 |
| A Total | — | 26 | 94.1 | 1 | 8 | 2 | .818 | |
| Rookie (Rk) | ||||||||
| 2021 | A-ATH | P | 1 | 1.0 | 0 | 1 | 0 | 1.000 |
| 2022 | A-ATH | P | 8 | 13.2 | 0 | 3 | 1 | .750 |
| 2024 | F-RSX | P | 4 | 7.2 | 0 | 1 | 0 | 1.000 |
| Rk Total | — | 13 | 22.1 | 0 | 5 | 1 | .833 | |
| Minors Total | — | 89 | 267.2 | 3 | 31 | 5 | .872 | |
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