Matthew Bollenbacher
Free Agent (A+)P
Age: 26
Bats/Throws: R/R
6'1" / 203
DOB: 11/9/1999
(26 years, 10 months, 16 days)
P
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Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | Age | W | L | SV | G | GS | IP | divider | K/9 | BB/9 | HR/9 | BABIP | LOB% | GB% | HR/FB | divider | vFA | divider | ERA | xERA | FIP | xFIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | WSN | CPX | 23 | 1 | 0 | 0 | 3 | 0 | 3.2 | 2.45 | 2.45 | 0.00 | .250 | 75.0% | 33.3% | 0.0% | 2.45 | 4.22 | 5.06 | ||||||
| 2024 | WSN | A | 24 | 2 | 2 | 3 | 35 | 0 | 58.1 | 10.03 | 2.01 | 0.31 | .377 | 70.7% | 42.9% | 4.4% | 3.39 | 2.67 | 2.92 | ||||||
| 2025 | WSN | A | 25 | 1 | 1 | 0 | 27 | 0 | 34.1 | 6.55 | 3.67 | 0.26 | .262 | 72.8% | 39.0% | 2.9% | 3.15 | 3.89 | 4.31 | ||||||
| 2025 | WSN | A+ | 25 | 0 | 0 | 1 | 11 | 0 | 15.1 | 4.70 | 1.76 | 1.17 | .208 | 73.8% | 34.7% | 7.7% | 3.52 | 4.63 | 4.77 | ||||||
| 2025 | WSN | AAA | 25 | 0 | 0 | 0 | 2 | 0 | 3.2 | 0.00 | 14.73 | 2.45 | .091 | 69.8% | 50.0% | 33.3% | 9.82 | 23.30 | 13.59 | 11.44 | |||||
| 2025 | WSN | MiLB | 25 | 1 | 1 | 1 | 40 | 0 | 53.1 | 5.57 | 3.88 | 0.68 | .235 | 72.6% | 38.5% | 6.3% | 3.71 | 23.30 | 4.77 | 4.93 | |||||
| 2026 | Steamer | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.98 | 3.77 | 1.37 | .294 | 70.2% | 41.7% | 5.02 | 5.17 | 5.13 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.4 | 3.45 | 3.85 | 1.48 | .290 | 60.1% | 6.22 | 5.93 | 0.0 | ||||||||
| 2026 | Steamer | ROS | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.04 | 3.95 | 1.34 | .294 | 70.3% | 5.01 | 5.15 | 0.0 |
| Season | Team | Level | Age | W | L | SV | G | GS | IP | divider | K/9 | BB/9 | HR/9 | BABIP | LOB% | GB% | HR/FB | divider | vFA | divider | ERA | xERA | FIP | xFIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | WSN | CPX | 23 | 1 | 0 | 0 | 3 | 0 | 3.2 | 2.45 | 2.45 | 0.00 | .250 | 75.0% | 33.3% | 0.0% | 2.45 | 4.22 | 5.06 | ||||||
| 2024 | WSN | A | 24 | 2 | 2 | 3 | 35 | 0 | 58.1 | 10.03 | 2.01 | 0.31 | .377 | 70.7% | 42.9% | 4.4% | 3.39 | 2.67 | 2.92 | ||||||
| 2025 | WSN | A | 25 | 1 | 1 | 0 | 27 | 0 | 34.1 | 6.55 | 3.67 | 0.26 | .262 | 72.8% | 39.0% | 2.9% | 3.15 | 3.89 | 4.31 | ||||||
| 2025 | WSN | A+ | 25 | 0 | 0 | 1 | 11 | 0 | 15.1 | 4.70 | 1.76 | 1.17 | .208 | 73.8% | 34.7% | 7.7% | 3.52 | 4.63 | 4.77 | ||||||
| 2025 | WSN | AAA | 25 | 0 | 0 | 0 | 2 | 0 | 3.2 | 0.00 | 14.73 | 2.45 | .091 | 69.8% | 50.0% | 33.3% | 9.82 | 23.30 | 13.59 | 11.44 | |||||
| 2025 | WSN | MiLB | 25 | 1 | 1 | 1 | 40 | 0 | 53.1 | 5.57 | 3.88 | 0.68 | .235 | 72.6% | 38.5% | 6.3% | 3.71 | 23.30 | 4.77 | 4.93 | |||||
| 2026 | Steamer | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.98 | 3.77 | 1.37 | .294 | 70.2% | 41.7% | 5.02 | 5.17 | 5.13 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 26 | 0 | 0 | 0 | 1 | 0 | 1.4 | 3.45 | 3.85 | 1.48 | .290 | 60.1% | 6.22 | 5.93 | 0.0 | ||||||||
| 2026 | Steamer | ROS | 26 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.04 | 3.95 | 1.34 | .294 | 70.3% | 5.01 | 5.15 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | W | L | ERA | G | GS | QS | CG | ShO | SV | HLD | BS | IP | TBF | H | R | ER | HR | BB | IBB | HBP | WP | BK | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | WSN | CPX | 1 | 0 | 2.45 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 3.2 | 14 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
| 2024 | WSN | A | 2 | 2 | 3.39 | 35 | 0 | 0 | 0 | 3 | 5 | 1 | 58.1 | 251 | 65 | 26 | 22 | 2 | 13 | 0 | 4 | 1 | 0 | 65 | |
| 2025 | WSN | A | 1 | 1 | 3.15 | 27 | 0 | 0 | 0 | 0 | 6 | 0 | 34.1 | 145 | 28 | 13 | 12 | 1 | 14 | 0 | 2 | 0 | 0 | 25 | |
| 2025 | WSN | A+ | 0 | 0 | 3.52 | 11 | 0 | 0 | 0 | 1 | 0 | 0 | 15.1 | 61 | 12 | 6 | 6 | 2 | 3 | 0 | 0 | 2 | 0 | 8 | |
| 2025 | WSN | AAA | 0 | 0 | 9.82 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 20 | 2 | 4 | 4 | 1 | 6 | 0 | 2 | 0 | 0 | 0 | |
| 2025 | WSN | MiLB | 1 | 1 | 3.71 | 40 | 0 | 0 | 0 | 1 | 6 | 0 | 53.1 | 226 | 42 | 23 | 22 | 4 | 23 | 0 | 4 | 2 | 0 | 33 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.22 | 1 | 0 | 0 | 0 | 0 | 1.4 | 6 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 5.01 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
| Season | Team | Level | W | L | ERA | G | GS | QS | CG | ShO | SV | HLD | BS | IP | TBF | H | R | ER | HR | BB | IBB | HBP | WP | BK | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | WSN | CPX | 1 | 0 | 2.45 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 3.2 | 14 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
| 2024 | WSN | A | 2 | 2 | 3.39 | 35 | 0 | 0 | 0 | 3 | 5 | 1 | 58.1 | 251 | 65 | 26 | 22 | 2 | 13 | 0 | 4 | 1 | 0 | 65 | |
| 2025 | WSN | A | 1 | 1 | 3.15 | 27 | 0 | 0 | 0 | 0 | 6 | 0 | 34.1 | 145 | 28 | 13 | 12 | 1 | 14 | 0 | 2 | 0 | 0 | 25 | |
| 2025 | WSN | A+ | 0 | 0 | 3.52 | 11 | 0 | 0 | 0 | 1 | 0 | 0 | 15.1 | 61 | 12 | 6 | 6 | 2 | 3 | 0 | 0 | 2 | 0 | 8 | |
| 2025 | WSN | AAA | 0 | 0 | 9.82 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 20 | 2 | 4 | 4 | 1 | 6 | 0 | 2 | 0 | 0 | 0 | |
| 2025 | WSN | MiLB | 1 | 1 | 3.71 | 40 | 0 | 0 | 0 | 1 | 6 | 0 | 53.1 | 226 | 42 | 23 | 22 | 4 | 23 | 0 | 4 | 2 | 0 | 33 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.22 | 1 | 0 | 0 | 0 | 0 | 1.4 | 6 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 5.01 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages
| Season | Team | Level | K/9 | BB/9 | K/BB | HR/9 | divider | K% | BB% | K-BB% | divider | AVG | WHIP | BABIP | LOB% | divider | ERA- | FIP- | divider | FIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | WSN | CPX | 2.45 | 2.45 | 1.00 | 0.00 | 7.1% | 7.1% | 0.0% | .231 | 1.09 | .250 | 75.0% | 48 | 85 | 4.22 | ||||
| 2024 | WSN | A | 10.03 | 2.01 | 5.00 | 0.31 | 25.9% | 5.2% | 20.7% | .278 | 1.34 | .377 | 70.7% | 88 | 69 | 2.67 | ||||
| 2025 | WSN | A | 6.55 | 3.67 | 1.79 | 0.26 | 17.2% | 9.7% | 7.6% | .217 | 1.22 | .262 | 72.8% | 78 | 97 | 3.89 | ||||
| 2025 | WSN | A+ | 4.70 | 1.76 | 2.67 | 1.17 | 13.1% | 4.9% | 8.2% | .207 | 0.98 | .208 | 73.8% | 93 | 119 | 4.63 | ||||
| 2025 | WSN | AAA | 0.00 | 14.73 | 0.00 | 2.45 | 0.0% | 30.0% | -30.0% | .167 | 2.18 | .091 | 69.8% | 210 | 293 | 13.59 | ||||
| 2025 | WSN | MiLB | 5.57 | 3.88 | 1.43 | 0.68 | 14.6% | 10.2% | 4.4% | .211 | 1.22 | .235 | 72.6% | 91 | 117 | 4.77 | ||||
| 2026 | Steamer | PROJ | 5.98 | 3.77 | 1.59 | 1.37 | 14.9% | 9.4% | 5.5% | .272 | 1.50 | .294 | 70.2% | 5.17 | ||||||
| 2026 | OOPSY | PROJ | 3.45 | 3.85 | 0.90 | 1.48 | 8.9% | 9.9% | -1.0% | .292 | 1.55 | .290 | 60.1% | 5.93 | ||||||
| 2026 | Steamer | ROS | 6.04 | 3.95 | 1.53 | 1.34 | 15.0% | 9.8% | 5.2% | .271 | 1.52 | .294 | 70.3% | 5.15 |
| Season | Team | Level | K/9 | BB/9 | K/BB | HR/9 | divider | K% | BB% | K-BB% | divider | AVG | WHIP | BABIP | LOB% | divider | ERA- | FIP- | divider | FIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | WSN | CPX | 2.45 | 2.45 | 1.00 | 0.00 | 7.1% | 7.1% | 0.0% | .231 | 1.09 | .250 | 75.0% | 48 | 85 | 4.22 | ||||
| 2024 | WSN | A | 10.03 | 2.01 | 5.00 | 0.31 | 25.9% | 5.2% | 20.7% | .278 | 1.34 | .377 | 70.7% | 88 | 69 | 2.67 | ||||
| 2025 | WSN | A | 6.55 | 3.67 | 1.79 | 0.26 | 17.2% | 9.7% | 7.6% | .217 | 1.22 | .262 | 72.8% | 78 | 97 | 3.89 | ||||
| 2025 | WSN | A+ | 4.70 | 1.76 | 2.67 | 1.17 | 13.1% | 4.9% | 8.2% | .207 | 0.98 | .208 | 73.8% | 93 | 119 | 4.63 | ||||
| 2025 | WSN | AAA | 0.00 | 14.73 | 0.00 | 2.45 | 0.0% | 30.0% | -30.0% | .167 | 2.18 | .091 | 69.8% | 210 | 293 | 13.59 | ||||
| 2025 | WSN | MiLB | 5.57 | 3.88 | 1.43 | 0.68 | 14.6% | 10.2% | 4.4% | .211 | 1.22 | .235 | 72.6% | 91 | 117 | 4.77 | ||||
| 2026 | Steamer | PROJ | 5.98 | 3.77 | 1.59 | 1.37 | 14.9% | 9.4% | 5.5% | .272 | 1.50 | .294 | 70.2% | 5.17 | ||||||
| 2026 | OOPSY | PROJ | 3.45 | 3.85 | 0.90 | 1.48 | 8.9% | 9.9% | -1.0% | .292 | 1.55 | .290 | 60.1% | 5.93 | ||||||
| 2026 | Steamer | ROS | 6.04 | 3.95 | 1.53 | 1.34 | 15.0% | 9.8% | 5.2% | .271 | 1.52 | .294 | 70.3% | 5.15 |

