Jamie Arnold
P Midland RockHounds| Year | Age | Lvl / Team | G | GS | IP | ERA | FIP | K% | BB% | WAR | MLE rates |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 22 | MIX2 levels | 25 | 25 | 118 | 3.50 | 3.18 | 25.0% | 9.8% | — | K 20.3% · BB 10.6% · FIP 3.91 |
| 2027PROJ | 23 | MLBOAK | 1 | 1 | 6 | 4.42 | 4.42 | 22.1% | 10.5% | 0.1 | |
| 2028PROJ46% MLB | 24 | MLBOAK | 9 | 9 | 52 | 4.26 | 4.19 | 23.2% | 9.8% | 0.7 | |
| 2029PROJ68% MLB | 25 | MLBOAK | 14 | 14 | 80 | 4.15 | 4.08 | 23.9% | 9.4% | 1.2 |
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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) | |||||||||||||||||||
| 2026 | 22 | MIX MLE | 2 levels | 25 | 25 | 118 | 520 | 130 | 51 | 9 | 100% | 4.7 | 20.3% | 10.6% | 9.7% | 2.2% | 3.50 | 3.91 | — |
| 2026 | 22 | MIX MLE | 2 levels | 25 | 25 | 118 | 520 | 130 | 51 | 9 | 100% | 4.7 | 20.3% | 10.6% | 9.7% | 2.2% | 3.50 | 3.91 | — |
| 2026 | 22 | MIX RAW | 2 levels | 25 | 25 | 118 | 520 | 130 | 51 | 9 | 100% | 4.7 | 25.0% | 9.8% | 15.2% | 1.7% | 3.50 | 3.18 | — |
| ▸ 2027 season — projected remainder (no 2027 stats recorded) | |||||||||||||||||||
| 2027 | 23 | MLB | OAK | 1 | 1 | 6 | 25 | 6 | 3 | 1 | 100% | 6.0 | 22.1% | 10.5% | 11.5% | 2.7% | 4.42 | 4.42 | +0.1 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%) | |||||||||||||||||||
| 2028 | 24 | MLB MLE | OAK | 20 | 20 | 112 | 474 | 110 | 46 | 13 | 100% | 5.6 | 23.2% | 9.8% | 13.5% | 2.7% | 4.30 | 4.23 | +1.5 |
| 2029 | 25 | MLB MLE | OAK | 20 | 20 | 118 | 496 | 119 | 46 | 13 | 100% | 5.9 | 23.9% | 9.4% | 14.5% | 2.7% | 4.19 | 4.12 | +1.8 |
| 2030 | 26 | MLB MLE | OAK | 21 | 21 | 124 | 523 | 127 | 48 | 14 | 100% | 5.9 | 24.3% | 9.2% | 15.0% | 2.7% | 4.13 | 4.08 | +1.9 |
| 2031 | 27 | MLB MLE | OAK | 20 | 20 | 120 | 508 | 123 | 47 | 14 | 100% | 6.0 | 24.2% | 9.3% | 14.9% | 2.8% | 4.13 | 4.13 | +1.8 |
| 2032 | 28 | MLB MLE | OAK | 19 | 19 | 115 | 485 | 117 | 46 | 14 | 100% | 6.0 | 24.1% | 9.4% | 14.6% | 2.9% | 4.18 | 4.21 | +1.6 |
| 2033 | 29 | MLB MLE | OAK | 18 | 18 | 107 | 452 | 108 | 44 | 14 | 100% | 5.9 | 23.8% | 9.7% | 14.2% | 3.0% | 4.28 | 4.34 | +1.3 |
| 2034 | 30 | MLB MLE | OAK | 16 | 16 | 97 | 410 | 96 | 41 | 13 | 100% | 6.1 | 23.5% | 10.0% | 13.5% | 3.2% | 4.42 | 4.52 | +1.0 |
| 2035 | 31 | MLB MLE | OAK | 14 | 14 | 87 | 367 | 85 | 38 | 13 | 100% | 6.2 | 23.1% | 10.3% | 12.8% | 3.4% | 4.60 | 4.72 | +0.7 |
| 2036 | 32 | MLB MLE | OAK | 13 | 13 | 77 | 323 | 73 | 35 | 12 | 100% | 5.9 | 22.6% | 10.7% | 11.9% | 3.7% | 4.81 | 4.95 | +0.4 |
| 2037 | 33 | MLB MLE | OAK | 11 | 11 | 67 | 282 | 62 | 31 | 11 | 100% | 6.1 | 22.1% | 11.2% | 11.0% | 4.0% | 5.04 | 5.20 | +0.2 |
| 2028 | 24 | MLB CTX | OAK | 9 | 9 | 52 | 220 | 51 | 21 | 6 | 100% | 5.8 | 23.2% | 9.8% | 13.5% | 2.6% | 4.26 | 4.19 | +0.7 |
| 2029 | 25 | MLB CTX | OAK | 14 | 14 | 80 | 338 | 81 | 32 | 9 | 100% | 5.7 | 23.9% | 9.4% | 14.5% | 2.6% | 4.15 | 4.08 | +1.2 |
| 2030 | 26 | MLB CTX | OAK | 16 | 16 | 99 | 418 | 101 | 39 | 11 | 100% | 6.2 | 24.3% | 9.2% | 15.0% | 2.6% | 4.09 | 4.04 | +1.5 |
| 2031 | 27 | MLB CTX | OAK | 17 | 17 | 103 | 435 | 105 | 40 | 12 | 100% | 6.1 | 24.2% | 9.3% | 14.9% | 2.7% | 4.09 | 4.09 | +1.5 |
| 2032 | 28 | MLB CTX | OAK | 17 | 17 | 103 | 435 | 105 | 41 | 12 | 100% | 6.1 | 24.1% | 9.4% | 14.6% | 2.8% | 4.14 | 4.17 | +1.4 |
| 2033 | 29 | MLB CTX | OAK | 16 | 16 | 98 | 414 | 99 | 40 | 12 | 100% | 6.1 | 23.8% | 9.7% | 14.2% | 2.9% | 4.24 | 4.30 | +1.2 |
| 2034 | 30 | MLB CTX | OAK | 15 | 15 | 90 | 380 | 89 | 38 | 12 | 100% | 6.0 | 23.5% | 10.0% | 13.5% | 3.1% | 4.38 | 4.48 | +0.9 |
| 2035 | 31 | MLB CTX | OAK | 14 | 14 | 81 | 342 | 79 | 35 | 11 | 100% | 5.8 | 23.1% | 10.3% | 12.8% | 3.3% | 4.55 | 4.67 | +0.6 |
| 2036 | 32 | MLB CTX | OAK | 12 | 12 | 72 | 304 | 69 | 33 | 11 | 100% | 6.0 | 22.6% | 10.7% | 11.9% | 3.6% | 4.76 | 4.90 | +0.4 |
| 2037 | 33 | MLB CTX | OAK | 10 | 10 | 63 | 266 | 59 | 30 | 10 | 100% | 6.3 | 22.1% | 11.2% | 11.0% | 3.9% | 4.99 | 5.15 | +0.1 |
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||
| Career | — | RAW | 141 | 141 | 840 | 3548 | 837 | 348 | 106 | 100% | 6.0 | 23.6% | 9.8% | 13.8% | 3.0% | 4.33 | 3.99 | +14.1 | |
| / 200 IP | — | RAW | 34 | 34 | 200 | 844 | 199 | 83 | 25 | 100% | 6.0 | 23.6% | 9.8% | 13.8% | 3.0% | 4.33 | 3.99 | +3.4 | |
| Career | — | MLE | 25 | 25 | 118 | 520 | 106 | 55 | 11 | 100% | 4.7 | 20.3% | 10.6% | 9.7% | 2.2% | 3.50 | 3.91 | +12.2 | |
| / 200 IP | — | MLE | 42 | 42 | 200 | 879 | 178 | 93 | 19 | 100% | 4.7 | 20.3% | 10.6% | 9.7% | 2.2% | 3.50 | 3.91 | +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 AAMidland RockHounds · 113 IPFIP 3.19 → 3.91 (+0.72)K% 25.1% → 20.3%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 25.05% | — | ×0.810 | 20.29% |
| BB% (unintentional) /BF | 9.62% | — | ×1.100 | 10.58% |
| HR / BF /BF | 1.80% | ÷1.000 | ×1.200 | 2.16% |
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 3.19 → 3.91, 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 AAALas Vegas Aviators · 5 IPFIP 2.90 → 3.00 (+0.10)K% 23.8% → 20.5%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 23.81% | — | ×0.860 | 20.48% |
| BB% (unintentional) /BF | 14.29% | — | ×0.900 | 12.86% |
| HR / BF /BF | 0.00% | ÷1.000 | ×1.100 | 0.00% |
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 2.90 → 3.00, 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 | 5.6 | 102 | 23.5% | 9.8% | 1.16 | 4.36 |
| Bud Norris ('18) | 6.1 | 122 | 21.7% | 9.1% | 1.15 | 4.45 |
| Rich Hill ('25) | 7.1 | 101 | 23.9% | 9.2% | 1.12 | 4.02 |
| Skip Lockwood ('69-'80, 11 WAR*) | 6.2 | 103 | 22.5%* | 9.1%* | 1.06* | 4.28* |
| Diego Segui ('62-'77, 10 WAR*) | 9.0 | 121 | 22.2%* | 9.9%* | 1.19* | 4.40* |
| Bobby Bolin ('61-'73, 12 WAR*) | 7.9 | 121 | 22.7%* | 9.6%* | 1.33* | 4.11* |
| Brad Peacock ('21) | 2.8 | 93 | 24.7% | 10.1% | 1.27 | 4.11 |