Jon Olsen
Jonathan Robert Olsen
Born: May 13, 1997
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 6'2"
Weight: 190
Draft: Round 12 (2018 June Amateur Draft, Minnesota Twins)
School: UCLA
Career: 2021-2025
Jon Olsen compiled a career record of 18 wins and 10 losses and a 3.89 ERA in his 74-game pitching career with the Cedar Rapids Kernels, Glendale Desert Dogs, Twins, York Revolution, Somerset Patriots, Campeche Piratas and Scranton/Wilkes-Barre RailRiders. He began playing during the 2021 season and last took the field during the 2025 campaign.
 Cedar Rapids Kernels |
 Glendale Desert Dogs |
 Twins |
 York Revolution |
 Somerset Patriots |
 Campeche Piratas |
 Scranton/Wilkes-Barre RailRiders |
Click on column headings to sort.
Pitching:
| Year | Level | Lg | Team | W | L | W% | ERA | G | GS | GF | CG | SHO | SV | IP | H | R | ER | HR | BB | IBB | SO | HBP | BK | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | Advanced A | HACE | Cedar Rapids Kernels | 1 | 4 | .200 | 4.03 | 16 | 13 | 1 | 0 | 0 | 0 | 67.0 | 53 | 30 | 30 | 6 | 31 | 0 | 57 | 8 | 0 | 10 | 287 |
| 2022 | R | FLCL | Twins | 0 | 0 | 1.04 | 6 | 0 | 0 | 0 | 0 | 0 | 8.7 | 6 | 1 | 1 | 0 | 2 | 0 | 8 | 0 | 0 | 1 | 32 | |
| 2022 | Fall | AZFL | Glendale Desert Dogs | 2 | 1 | .667 | 5.27 | 5 | 4 | 0 | 0 | 0 | 0 | 13.7 | 15 | 8 | 8 | 0 | 10 | 0 | 17 | 1 | 0 | 1 | 63 |
| 2022 | Advanced A | MIDW | Cedar Rapids Kernels | 1 | 1 | .500 | 4.76 | 16 | 3 | 4 | 0 | 0 | 0 | 22.7 | 22 | 13 | 12 | 0 | 8 | 0 | 30 | 1 | 1 | 7 | 100 |
| 2024 | Ind | ATLL | York Revolution | 12 | 3 | .800 | 3.60 | 25 | 19 | 3 | 0 | 0 | 3 | 127.7 | 120 | 56 | 51 | 12 | 26 | 0 | 136 | 8 | 0 | 11 | 521 |
| 2025 | Ind | MEX | Campeche Piratas | 2 | 1 | .667 | 3.18 | 3 | 3 | 0 | 0 | 0 | 0 | 17.0 | 13 | 7 | 6 | 2 | 6 | 0 | 19 | 1 | 0 | 1 | 68 |
| 2025 | AA | EL | Somerset Patriots | 0 | 0 | 4.50 | 2 | 1 | 0 | 0 | 0 | 0 | 4.0 | 4 | 2 | 2 | 0 | 1 | 0 | 6 | 0 | 0 | 0 | 17 | |
| 2025 | AAA | IL | Scranton/Wilkes-Barre RailRiders | 0 | 0 | 27.00 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 3 | 3 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 7 | |
| Totals | 18 | 10 | .643 | 3.89 | 74 | 43 | 8 | 0 | 0 | 3 | 261.7 | 236 | 120 | 113 | 20 | 85 | 0 | 274 | 19 | 1 | 32 | 1095 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | Advanced A | HACE | Cedar Rapids Kernels | P | 16 | 2 | 11 | 2 | 1 | .867 | .812 |
| 2022 | R | FLCL | Twins | P | 6 | 0 | 0 | 0 | 0 | .000 | |
| 2022 | Fall | AZFL | Glendale Desert Dogs | P | 5 | 1 | 2 | 0 | 0 | 1.000 | .600 |
| 2022 | Advanced A | MIDW | Cedar Rapids Kernels | P | 16 | 3 | 0 | 0 | 0 | 1.000 | .188 |
| 2024 | Ind | ATLL | York Revolution | P | 25 | 9 | 16 | 2 | 1 | .926 | 1.000 |
| 2025 | Ind | MEX | Campeche Piratas | P | 3 | 0 | 1 | 1 | 0 | .500 | .333 |
| 2025 | AA | EL | Somerset Patriots | P | 2 | 0 | 0 | 0 | 0 | .000 | |
| 2025 | AAA | IL | Scranton/Wilkes-Barre RailRiders | P | 1 | 0 | 1 | 0 | 0 | 1.000 | 1.000 |
| Totals | 47 | 11 | 29 | 5 | 2 | .889 | .851 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2021 | Advanced A | High-A Central | Cedar Rapids Kernels | MIN | May 9, 2021 | August 29, 2021 |
| 2022 | R | Florida Complex League | Twins | MIN | June 10, 2022 | July 5, 2022 |
| 2022 | Advanced A | Midwest League | Cedar Rapids Kernels | MIN | July 10, 2022 | September 9, 2022 |
| 2022 | Fall | Arizona Fall League | Glendale Desert Dogs | October 7, 2022 | November 4, 2022 | |
| 2024 | Ind | Atlantic League | York Revolution | April 25, 2024 | September 14, 2024 | |
| 2025 | Ind | Mexican League | Campeche Piratas | April 18, 2025 | May 1, 2025 | |
| 2025 | AA | Eastern League | Somerset Patriots | NYA | May 16, 2025 | May 20, 2025 |
| 2025 | AAA | International League | Scranton/Wilkes-Barre RailRiders | NYA | May 23, 2025 | May 23, 2025 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.
