Jamie Arnold
Athletics (AAA)P
Age: 22
Bats/Throws: L/L
6'1" / 188
DOB: 3/21/2004
(22 years, 5 months, 20 days)
P
Player Dashboard:
Quick Links
More
Stats
Stat Groups:
Select
New!
You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
Heat Map:
Off
On
In-Season ProjectionsMinor LeaguesSpring TrainingCollege
| 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 | FSU | NCAA | 19 | 2 | 5 | 0 | 24 | 8 | 44.0 | 10.02 | 5.52 | 1.23 | .336 | 59.2% | 6.34 | 5.62 | |||||||||
| 2024 | FSU | NCAA | 20 | 11 | 3 | 1 | 19 | 18 | 105.2 | 13.54 | 2.21 | 0.60 | .342 | 70.7% | 2.98 | 2.75 | |||||||||
| 2025 | FSU | NCAA | 21 | 8 | 2 | 0 | 15 | 15 | 84.2 | 12.65 | 2.87 | 0.74 | .306 | 78.8% | 2.98 | 3.57 | |||||||||
| 2026 | ATH | ST | 22 | 0 | 0 | 0 | 2 | 0 | 3.0 | 12.00 | 6.00 | 3.00 | .333 | 100.0% | 42.9% | 50.0% | 3.00 | 8.32 | 5.23 | ||||||
| 2026 | OAK | AA | 22 | 6 | 5 | 0 | 23 | 23 | 113.1 | 9.93 | 3.89 | 0.71 | .344 | 71.5% | 53.1% | 12.0% | 3.57 | 4.04 | 4.31 | ||||||
| 2026 | OAK | AAA | 22 | 1 | 1 | 0 | 2 | 2 | 5.0 | 9.00 | 5.40 | 0.00 | .462 | 88.9% | 23.1% | 0.0% | 1.80 | 6.68 | 3.73 | 5.47 | |||||
| 2026 | OAK | MiLB | 22 | 7 | 6 | 0 | 25 | 25 | 118.1 | 9.89 | 3.95 | 0.68 | .349 | 72.4% | 51.9% | 11.3% | 3.50 | 6.68 | 4.03 | 4.36 | |||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.10 | 4.00 | 1.11 | .304 | 71.5% | 4.53 | 4.60 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 4.9 | 7.14 | 3.83 | 1.13 | .300 | 68.7% | 4.72 | 4.61 | 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 | FSU | NCAA | 19 | 2 | 5 | 0 | 24 | 8 | 44.0 | 10.02 | 5.52 | 1.23 | .336 | 59.2% | 6.34 | 5.62 | |||||||||
| 2024 | FSU | NCAA | 20 | 11 | 3 | 1 | 19 | 18 | 105.2 | 13.54 | 2.21 | 0.60 | .342 | 70.7% | 2.98 | 2.75 | |||||||||
| 2025 | FSU | NCAA | 21 | 8 | 2 | 0 | 15 | 15 | 84.2 | 12.65 | 2.87 | 0.74 | .306 | 78.8% | 2.98 | 3.57 | |||||||||
| 2026 | ATH | ST | 22 | 0 | 0 | 0 | 2 | 0 | 3.0 | 12.00 | 6.00 | 3.00 | .333 | 100.0% | 42.9% | 50.0% | 3.00 | 8.32 | 5.23 | ||||||
| 2026 | OAK | AA | 22 | 6 | 5 | 0 | 23 | 23 | 113.1 | 9.93 | 3.89 | 0.71 | .344 | 71.5% | 53.1% | 12.0% | 3.57 | 4.04 | 4.31 | ||||||
| 2026 | OAK | AAA | 22 | 1 | 1 | 0 | 2 | 2 | 5.0 | 9.00 | 5.40 | 0.00 | .462 | 88.9% | 23.1% | 0.0% | 1.80 | 6.68 | 3.73 | 5.47 | |||||
| 2026 | OAK | MiLB | 22 | 7 | 6 | 0 | 25 | 25 | 118.1 | 9.89 | 3.95 | 0.68 | .349 | 72.4% | 51.9% | 11.3% | 3.50 | 6.68 | 4.03 | 4.36 | |||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 7.10 | 4.00 | 1.11 | .304 | 71.5% | 4.53 | 4.60 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 4.9 | 7.14 | 3.83 | 1.13 | .300 | 68.7% | 4.72 | 4.61 | 0.0 |
In-Season ProjectionsMinor LeaguesSpring TrainingCollege
| 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 | FSU | NCAA | 2 | 5 | 6.34 | 24 | 8 | 0 | 0 | 0 | 44.0 | 207 | 45 | 38 | 31 | 6 | 27 | 9 | 1 | 0 | 49 | ||||
| 2024 | FSU | NCAA | 11 | 3 | 2.98 | 19 | 18 | 0 | 0 | 1 | 105.2 | 449 | 90 | 45 | 35 | 7 | 26 | 14 | 4 | 0 | 159 | ||||
| 2025 | FSU | NCAA | 8 | 2 | 2.98 | 15 | 15 | 0 | 0 | 0 | 84.2 | 351 | 63 | 30 | 28 | 7 | 27 | 15 | 0 | 0 | 119 | ||||
| 2026 | ATH | ST | 0 | 0 | 3.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 14 | 3 | 1 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 4 | |
| 2026 | OAK | AA | 6 | 5 | 3.57 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 113.1 | 499 | 115 | 58 | 45 | 9 | 49 | 1 | 8 | 6 | 1 | 125 | |
| 2026 | OAK | AAA | 1 | 1 | 1.80 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 5.0 | 21 | 6 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 5 | |
| 2026 | OAK | MiLB | 7 | 6 | 3.50 | 25 | 25 | 0 | 0 | 0 | 0 | 0 | 118.1 | 520 | 121 | 59 | 46 | 9 | 52 | 1 | 8 | 6 | 1 | 130 | |
| 2026 | Steamer | ROS | 0 | 0 | 4.53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 4.72 | 1 | 1 | 0 | 0 | 0 | 4.9 | 22 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 4 |
| 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 | FSU | NCAA | 2 | 5 | 6.34 | 24 | 8 | 0 | 0 | 0 | 44.0 | 207 | 45 | 38 | 31 | 6 | 27 | 9 | 1 | 0 | 49 | ||||
| 2024 | FSU | NCAA | 11 | 3 | 2.98 | 19 | 18 | 0 | 0 | 1 | 105.2 | 449 | 90 | 45 | 35 | 7 | 26 | 14 | 4 | 0 | 159 | ||||
| 2025 | FSU | NCAA | 8 | 2 | 2.98 | 15 | 15 | 0 | 0 | 0 | 84.2 | 351 | 63 | 30 | 28 | 7 | 27 | 15 | 0 | 0 | 119 | ||||
| 2026 | ATH | ST | 0 | 0 | 3.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 14 | 3 | 1 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 4 | |
| 2026 | OAK | AA | 6 | 5 | 3.57 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 113.1 | 499 | 115 | 58 | 45 | 9 | 49 | 1 | 8 | 6 | 1 | 125 | |
| 2026 | OAK | AAA | 1 | 1 | 1.80 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 5.0 | 21 | 6 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 5 | |
| 2026 | OAK | MiLB | 7 | 6 | 3.50 | 25 | 25 | 0 | 0 | 0 | 0 | 0 | 118.1 | 520 | 121 | 59 | 46 | 9 | 52 | 1 | 8 | 6 | 1 | 130 | |
| 2026 | Steamer | ROS | 0 | 0 | 4.53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 4.72 | 1 | 1 | 0 | 0 | 0 | 4.9 | 22 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 4 |
In-Season ProjectionsMinor LeaguesSpring TrainingAveragesCollege
| 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 | FSU | NCAA | 10.02 | 5.52 | 1.81 | 1.23 | 23.7% | 13.0% | 10.6% | .263 | 1.64 | .336 | 59.2% | 5.62 | ||||||
| 2024 | FSU | NCAA | 13.54 | 2.21 | 6.12 | 0.60 | 35.4% | 5.8% | 29.6% | .220 | 1.10 | .342 | 70.7% | 2.75 | ||||||
| 2025 | FSU | NCAA | 12.65 | 2.87 | 4.41 | 0.74 | 33.9% | 7.7% | 26.2% | .204 | 1.06 | .306 | 78.8% | 3.57 | ||||||
| 2026 | ATH | ST | 12.00 | 6.00 | 2.00 | 3.00 | 28.6% | 14.3% | 14.3% | .273 | 1.67 | .333 | 100.0% | 63 | 167 | 8.32 | ||||
| 2026 | OAK | AA | 9.93 | 3.89 | 2.55 | 0.71 | 25.1% | 9.8% | 15.2% | .260 | 1.45 | .344 | 71.5% | 70 | 84 | 4.04 | ||||
| 2026 | OAK | AAA | 9.00 | 5.40 | 1.67 | 0.00 | 23.8% | 14.3% | 9.5% | .333 | 1.80 | .462 | 88.9% | 30 | 66 | 3.73 | ||||
| 2026 | OAK | MiLB | 9.89 | 3.95 | 2.50 | 0.68 | 25.0% | 10.0% | 15.0% | .263 | 1.46 | .349 | 72.4% | 68 | 83 | 4.03 | ||||
| 2026 | Steamer | ROS | 7.10 | 4.00 | 1.77 | 1.11 | 17.9% | 10.1% | 7.8% | .265 | 1.48 | .304 | 71.5% | 4.60 | ||||||
| 2026 | OOPSY | ROS | 7.14 | 3.83 | 1.87 | 1.13 | 18.1% | 9.7% | 8.4% | .261 | 1.44 | .300 | 68.7% | 4.61 |
| 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 | FSU | NCAA | 10.02 | 5.52 | 1.81 | 1.23 | 23.7% | 13.0% | 10.6% | .263 | 1.64 | .336 | 59.2% | 5.62 | ||||||
| 2024 | FSU | NCAA | 13.54 | 2.21 | 6.12 | 0.60 | 35.4% | 5.8% | 29.6% | .220 | 1.10 | .342 | 70.7% | 2.75 | ||||||
| 2025 | FSU | NCAA | 12.65 | 2.87 | 4.41 | 0.74 | 33.9% | 7.7% | 26.2% | .204 | 1.06 | .306 | 78.8% | 3.57 | ||||||
| 2026 | ATH | ST | 12.00 | 6.00 | 2.00 | 3.00 | 28.6% | 14.3% | 14.3% | .273 | 1.67 | .333 | 100.0% | 63 | 167 | 8.32 | ||||
| 2026 | OAK | AA | 9.93 | 3.89 | 2.55 | 0.71 | 25.1% | 9.8% | 15.2% | .260 | 1.45 | .344 | 71.5% | 70 | 84 | 4.04 | ||||
| 2026 | OAK | AAA | 9.00 | 5.40 | 1.67 | 0.00 | 23.8% | 14.3% | 9.5% | .333 | 1.80 | .462 | 88.9% | 30 | 66 | 3.73 | ||||
| 2026 | OAK | MiLB | 9.89 | 3.95 | 2.50 | 0.68 | 25.0% | 10.0% | 15.0% | .263 | 1.46 | .349 | 72.4% | 68 | 83 | 4.03 | ||||
| 2026 | Steamer | ROS | 7.10 | 4.00 | 1.77 | 1.11 | 17.9% | 10.1% | 7.8% | .265 | 1.48 | .304 | 71.5% | 4.60 | ||||||
| 2026 | OOPSY | ROS | 7.14 | 3.83 | 1.87 | 1.13 | 18.1% | 9.7% | 8.4% | .261 | 1.44 | .300 | 68.7% | 4.61 |
