Collin Rothermel
Arizona Diamondbacks (A)P
Age: 24
Bats/Throws: R/R
6'1" / 170
DOB: 8/28/2002
(24 years, 1 month, 16 days)
P
Player Dashboard:
| Season | 2026 |
| Team | ARI |
| Level | MiLB |
| G | 5 |
| GS | 0 |
| IP | 6.2 |
| K% | 22.2% |
| BB% | 15.6% |
| GB% | 40.7% |
| ERA | 21.60 |
| FIP | 14.31 |
| WAR |
RosterResource
| Draft: | 2025, Rd: 16, Pick: 18, Ovr: 483 |
| Draft Team: | Arizona Diamondbacks |
| Signing Bonus: | $100,000 |
| College: | Jacksonville University (Jacksonville, USA) |
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| Season | 2026 |
| Team | ARI |
| Level | MiLB |
| G | 5 |
| GS | 0 |
| IP | 6.2 |
| K% | 22.2% |
| BB% | 15.6% |
| GB% | 40.7% |
| ERA | 21.60 |
| FIP | 14.31 |
| WAR |
RosterResource
| Draft: | 2025, Rd: 16, Pick: 18, Ovr: 483 |
| Draft Team: | Arizona Diamondbacks |
| Signing Bonus: | $100,000 |
| College: | Jacksonville University (Jacksonville, USA) |
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Minor LeaguesCollege
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | KSU | NCAA | 19 | 0 | 0 | 1 | 5 | 2 | 14.1 | 8.16 | 3.77 | 0.63 | .340 | 67.8% | 4.40 | 4.68 | |||||||||
| 2023 | KSU | NCAA | 20 | 1 | 3 | 0 | 8 | 6 | 28.1 | 6.99 | 6.04 | 2.22 | .278 | 58.4% | 6.04 | 8.07 | |||||||||
| 2025 | JAX | NCAA | 22 | 6 | 4 | 0 | 15 | 15 | 71.2 | 9.92 | 4.65 | 0.50 | .273 | 68.6% | 4.02 | 4.54 | |||||||||
| 2026 | ARI | A | 23 | 0 | 2 | 0 | 5 | 0 | 6.2 | 13.50 | 9.45 | 6.75 | .522 | 47.1% | 40.7% | 41.7% | 21.60 | 14.31 | 7.51 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | KSU | NCAA | 19 | 0 | 0 | 1 | 5 | 2 | 14.1 | 8.16 | 3.77 | 0.63 | .340 | 67.8% | 4.40 | 4.68 | |||||||||
| 2023 | KSU | NCAA | 20 | 1 | 3 | 0 | 8 | 6 | 28.1 | 6.99 | 6.04 | 2.22 | .278 | 58.4% | 6.04 | 8.07 | |||||||||
| 2025 | JAX | NCAA | 22 | 6 | 4 | 0 | 15 | 15 | 71.2 | 9.92 | 4.65 | 0.50 | .273 | 68.6% | 4.02 | 4.54 | |||||||||
| 2026 | ARI | A | 23 | 0 | 2 | 0 | 5 | 0 | 6.2 | 13.50 | 9.45 | 6.75 | .522 | 47.1% | 40.7% | 41.7% | 21.60 | 14.31 | 7.51 |
Minor LeaguesCollege
Minor LeaguesAveragesCollege
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | KSU | NCAA | 8.16 | 3.77 | 2.17 | 0.63 | 18.8% | 8.7% | 10.1% | .279 | 1.60 | .340 | 67.8% | 4.68 | ||||||
| 2023 | KSU | NCAA | 6.99 | 6.04 | 1.16 | 2.22 | 15.4% | 13.3% | 2.1% | .269 | 1.80 | .278 | 58.4% | 8.07 | ||||||
| 2025 | JAX | NCAA | 9.92 | 4.65 | 2.14 | 0.50 | 26.1% | 12.2% | 13.9% | .201 | 1.24 | .273 | 68.6% | 4.54 | ||||||
| 2026 | ARI | A | 13.50 | 9.45 | 1.43 | 6.75 | 22.2% | 15.6% | 6.7% | .447 | 3.60 | .522 | 47.1% | 395 | 258 | 14.31 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | KSU | NCAA | 8.16 | 3.77 | 2.17 | 0.63 | 18.8% | 8.7% | 10.1% | .279 | 1.60 | .340 | 67.8% | 4.68 | ||||||
| 2023 | KSU | NCAA | 6.99 | 6.04 | 1.16 | 2.22 | 15.4% | 13.3% | 2.1% | .269 | 1.80 | .278 | 58.4% | 8.07 | ||||||
| 2025 | JAX | NCAA | 9.92 | 4.65 | 2.14 | 0.50 | 26.1% | 12.2% | 13.9% | .201 | 1.24 | .273 | 68.6% | 4.54 | ||||||
| 2026 | ARI | A | 13.50 | 9.45 | 1.43 | 6.75 | 22.2% | 15.6% | 6.7% | .447 | 3.60 | .522 | 47.1% | 395 | 258 | 14.31 |
Minor LeaguesCollege
Minor LeaguesCollege
MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source.
All MiLB and Pace data are from Statcast.
All MiLB and Pace data are from Statcast.
Minor LeaguesAveragesCollege
