Gage Ziehl
P Portland Sea Dogs| Year | Age | Lvl / Team | G | GS | IP | ERA | FIP | K% | BB% | WAR | MLE rates |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 22 | MIX3 levels | 22 | 21 | 107 | 4.12 | 2.80 | 19.8% | 4.2% | — | K 14.8% · BB 5.1% · FIP 3.67 |
| 2026 | 23 | MIX2 levels | 25 | 25 | 122 | 4.28 | 3.62 | 24.7% | 4.8% | — | K 20.3% · BB 5.0% · FIP 4.35 |
| 2027PROJ | 24 | MLBBOS | 1 | 1 | 2 | 4.23 | 4.23 | 18.3% | 3.3% | 0.0 | |
| 2028PROJ32% MLB | 25 | MLBBOS | 5 | 5 | 30 | 4.13 | 4.10 | 19.3% | 3.6% | 0.4 | |
| 2029PROJ52% MLB | 26 | MLBBOS | 8 | 8 | 48 | 4.10 | 4.08 | 19.8% | 3.9% | 0.7 |
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Career Stats + Projections
Methodology▸ how WAR & MLE are computed
Stats are park-neutral MLB equivalents. The "TEAM" column shows current org affiliation only — we do NOT project at that team's park.
Rates (K%, BB%, HR-BF) are park-stripped; MiLB stat lines are translated to their MLB-equivalent via per-level MLE factors.
WAR is computed from projected runs prevented vs a replacement pitcher (the marginal arm a team would call up if this pitcher were unavailable) — calibrated to the standard WAR scale.
| Year | Age | Lvl | Team | G | GS | IP | BF | K | BB | HR | GS% | IP/G | K% | BB% | K-BB% | HR% | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ Career — actual stats, one row per year (as recorded, no adjustments) | |||||||||||||||||||
| ▸ Career — adjusted (each season translated to a park/league-neutral MLB-equivalent line; levels combined per year) | |||||||||||||||||||
| ▸ Model inputs — neutral MLE (past 3 seasons + 2027 so far) | |||||||||||||||||||
| 2025 | 22 | MIX MLE | 3 levels | 22 | 21 | 107 | 455 | 90 | 19 | 7 | 95% | 4.9 | 14.8% | 5.1% | 9.7% | 2.1% | 4.12 | 3.67 | — |
| 2025 | 22 | MIX MLE | 3 levels | 22 | 21 | 107 | 455 | 90 | 19 | 7 | 95% | 4.9 | 14.8% | 5.1% | 9.7% | 2.1% | 4.12 | 3.67 | — |
| 2025 | 22 | MIX RAW | 3 levels | 22 | 21 | 107 | 455 | 90 | 19 | 7 | 95% | 4.9 | 19.8% | 4.2% | 15.6% | 1.5% | 4.12 | 2.80 | — |
| 2026 | 23 | MIX MLE | 2 levels | 25 | 25 | 122 | 522 | 129 | 25 | 19 | 100% | 4.9 | 20.3% | 5.0% | 15.3% | 4.3% | 4.28 | 4.35 | — |
| 2026 | 23 | MIX MLE | 2 levels | 25 | 25 | 122 | 522 | 129 | 25 | 19 | 100% | 4.9 | 20.3% | 5.0% | 15.3% | 4.3% | 4.28 | 4.35 | — |
| 2026 | 23 | MIX RAW | 2 levels | 25 | 25 | 122 | 522 | 129 | 25 | 19 | 100% | 4.9 | 24.7% | 4.8% | 19.9% | 3.6% | 4.28 | 3.62 | — |
| ▸ 2027 season — projected remainder (no 2027 stats recorded) | |||||||||||||||||||
| 2027 | 24 | MLB | BOS | 1 | 1 | 2 | 8 | 2 | 0 | 0 | 100% | 2.0 | 18.3% | 3.3% | 15.0% | 3.4% | 4.23 | 4.23 | +0.0 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%) | |||||||||||||||||||
| 2028 | 25 | MLB MLE | BOS | 16 | 16 | 96 | 404 | 78 | 15 | 14 | 100% | 6.0 | 19.3% | 3.6% | 15.7% | 3.4% | 4.18 | 4.15 | +1.4 |
| 2029 | 26 | MLB MLE | BOS | 15 | 15 | 92 | 390 | 77 | 15 | 13 | 100% | 6.2 | 19.8% | 3.9% | 15.9% | 3.3% | 4.15 | 4.13 | +1.4 |
| 2030 | 27 | MLB MLE | BOS | 15 | 15 | 89 | 377 | 75 | 16 | 13 | 100% | 6.0 | 19.9% | 4.2% | 15.7% | 3.4% | 4.16 | 4.17 | +1.3 |
| 2031 | 28 | MLB MLE | BOS | 14 | 14 | 85 | 360 | 71 | 16 | 12 | 100% | 6.1 | 19.8% | 4.4% | 15.4% | 3.5% | 4.22 | 4.26 | +1.1 |
| 2032 | 29 | MLB MLE | BOS | 13 | 13 | 79 | 335 | 66 | 15 | 12 | 100% | 6.1 | 19.6% | 4.6% | 15.0% | 3.6% | 4.32 | 4.39 | +0.9 |
| 2033 | 30 | MLB MLE | BOS | 12 | 12 | 72 | 304 | 58 | 15 | 12 | 100% | 6.0 | 19.2% | 4.9% | 14.3% | 3.8% | 4.47 | 4.57 | +0.7 |
| 2034 | 31 | MLB MLE | BOS | 11 | 11 | 64 | 270 | 51 | 14 | 11 | 100% | 5.8 | 18.8% | 5.3% | 13.6% | 4.0% | 4.65 | 4.77 | +0.5 |
| 2035 | 32 | MLB MLE | BOS | 9 | 9 | 56 | 236 | 43 | 13 | 10 | 100% | 6.2 | 18.4% | 5.7% | 12.7% | 4.3% | 4.86 | 4.99 | +0.3 |
| 2028 | 25 | MLB CTX | BOS | 5 | 5 | 30 | 127 | 24 | 5 | 4 | 100% | 6.0 | 19.3% | 3.6% | 15.7% | 3.3% | 4.13 | 4.10 | +0.4 |
| 2029 | 26 | MLB CTX | BOS | 8 | 8 | 48 | 203 | 40 | 8 | 7 | 100% | 6.0 | 19.8% | 3.9% | 15.9% | 3.2% | 4.10 | 4.08 | +0.7 |
| 2030 | 27 | MLB CTX | BOS | 10 | 10 | 57 | 241 | 48 | 10 | 8 | 100% | 5.7 | 19.9% | 4.2% | 15.7% | 3.3% | 4.11 | 4.12 | +0.8 |
| 2031 | 28 | MLB CTX | BOS | 10 | 10 | 62 | 262 | 52 | 12 | 9 | 100% | 6.2 | 19.8% | 4.4% | 15.4% | 3.4% | 4.17 | 4.21 | +0.8 |
| 2032 | 29 | MLB CTX | BOS | 10 | 10 | 61 | 258 | 50 | 12 | 9 | 100% | 6.1 | 19.6% | 4.6% | 15.0% | 3.5% | 4.27 | 4.34 | +0.7 |
| 2033 | 30 | MLB CTX | BOS | 10 | 10 | 59 | 249 | 48 | 12 | 9 | 100% | 5.9 | 19.2% | 4.9% | 14.3% | 3.7% | 4.42 | 4.52 | +0.6 |
| 2034 | 31 | MLB CTX | BOS | 9 | 9 | 54 | 228 | 43 | 12 | 9 | 100% | 6.0 | 18.8% | 5.3% | 13.6% | 3.9% | 4.59 | 4.71 | +0.4 |
| 2035 | 32 | MLB CTX | BOS | 8 | 8 | 48 | 203 | 37 | 11 | 8 | 100% | 6.0 | 18.4% | 5.7% | 12.7% | 4.2% | 4.80 | 4.93 | +0.2 |
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||
| Career | — | RAW | 70 | 70 | 419 | 1770 | 343 | 82 | 63 | 100% | 6.0 | 19.4% | 4.6% | 14.8% | 3.6% | 4.33 | 4.01 | +7.0 | |
| / 200 IP | — | RAW | 33 | 33 | 200 | 844 | 164 | 39 | 30 | 100% | 6.0 | 19.4% | 4.6% | 14.8% | 3.6% | 4.33 | 4.01 | +3.3 | |
| Career | — | MLE | 47 | 46 | 229 | 977 | 174 | 49 | 32 | 98% | 4.9 | 17.8% | 5.1% | 12.7% | 3.3% | 4.21 | 4.03 | +7.6 | |
| / 200 IP | — | MLE | 41 | 40 | 200 | 853 | 152 | 43 | 28 | 98% | 4.9 | 17.8% | 5.1% | 12.7% | 3.3% | 4.21 | 4.03 | +2.4 | |
How the minor-league lines were translated
One row per minor-league stint. Open a row to see each step: the raw rate, the park adjustment, the league/level factor, the age adjustment (hitters) and the resulting MLE rate. Factors are the same ones listed on the MLE Factors page.
2026 AAPortland Sea Dogs · 81 IPFIP 3.47 → 4.37 (+0.90)K% 27.1% → 22.0%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 27.12% | — | ×0.810 | 21.97% |
| BB% (unintentional) /BF | 5.08% | — | ×1.100 | 5.59% |
| HR / BF /BF | 3.67% | ÷1.000 | ×1.200 | 4.41% |
Factors used: pitcher AA level factors — K ×0.81, BB ×1.10, HR ×1.20. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 100).
Result: FIP 3.47 → 4.37, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2026 AAAWorcester Red Sox · 41 IPFIP 3.93 → 4.30 (+0.38)K% 19.6% → 16.9%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 19.64% | — | ×0.860 | 16.89% |
| BB% (unintentional) /BF | 4.17% | — | ×0.900 | 3.75% |
| HR / BF /BF | 3.57% | ÷1.000 | ×1.100 | 3.93% |
Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 100).
Result: FIP 3.93 → 4.30, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2025 ATampa Tarpons · 74 IPFIP 3.02 → 4.14 (+1.12)K% 20.2% → 14.9%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 20.19% | — | ×0.740 | 14.94% |
| BB% (unintentional) /BF | 4.49% | — | ×1.180 | 5.29% |
| HR / BF /BF | 1.92% | ÷0.842 | ×1.300 | 2.97% |
Factors used: pitcher A level factors — K ×0.74, BB ×1.18, HR ×1.30. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 68).
Result: FIP 3.02 → 4.14, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2025 A+Winston-Salem Dash · 29 IPFIP 2.03 → 2.47 (+0.44)K% 18.9% → 14.5%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 18.85% | — | ×0.770 | 14.52% |
| BB% (unintentional) /BF | 4.10% | — | ×1.150 | 4.71% |
| HR / BF /BF | 0.00% | ÷0.923 | ×1.250 | 0.00% |
Factors used: pitcher A+ level factors — K ×0.77, BB ×1.15, HR ×1.25. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 85).
Result: FIP 2.03 → 2.47, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2025 AASomerset Patriots · 4 IPFIP 4.11 → 4.84 (+0.74)K% 19.0% → 15.4%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 19.05% | — | ×0.810 | 15.43% |
| BB% (unintentional) /BF | 0.00% | — | ×1.100 | 0.00% |
| HR / BF /BF | 4.76% | ÷1.030 | ×1.200 | 5.55% |
Factors used: pitcher AA level factors — K ×0.81, BB ×1.10, HR ×1.20. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 106).
Result: FIP 4.11 → 4.84, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
Career Comps
Completed MLB careers (no pro action in 2+ yrs) whose totals — actual + projected — most resemble this player's. Pool: 2,161 pitcher careers (1,251 from 1990-2025 + 910 historical, 1901-2023), also matched on career-to-date at the same age. * Historical (Lahman) careers: rates era-adjusted to 2001-24 league levels; WAR is an OGILVIE proxy.
| Player | 162s | IP/yr | K% | BB% | HR/9 | ERA |
|---|---|---|---|---|---|---|
| OGILVIE CAREER PROJECTION | 3.6 | 79 | 19.3% | 4.3% | 1.38 | 4.32 |
| Edward Mujica ('17) | 2.8 | 69 | 19.1% | 3.9% | 1.30 | 3.92 |
| Austin Pruitt ('24) | 1.6 | 63 | 16.6% | 5.6% | 1.31 | 4.54 |
| Ross Stripling ('24) | 4.2 | 94 | 20.9% | 5.6% | 1.32 | 4.17 |
| Doug Bird ('73-'83, 10 WAR*) | 6.1 | 110 | 20.3%* | 5.8%* | 1.41* | 4.43* |
| Jim Willoughby ('71-'78, 4 WAR*) | 2.8 | 79 | 16.0%* | 6.2%* | 1.42* | 4.13* |
| Craig Lefferts ('83-'94, 10 WAR*) | 5.7 | 95 | 19.5%* | 6.7%* | 1.40* | 3.93* |