On MLB 40-man: YES
Acquired: Trade (ATL) Dec'23
| Thu 8/21 | Fri 8/22 | Sat 8/23 |
|---|---|---|
| --- | ATH 10:10 PM EDT | ATH 9:40 PM EDT |
Positions
RP
2026 Earned Positions
RP
All Leagues
Average $0.00
Median $0.00
SABR Points
Average $0.00
Median $0.00
All Leagues
Average $1.00
Median $1.00
SABR Points
Average $2.30
Median $2.00
Roster%
0%
Change
7Day
0%
30Day
0%
2025 OPL Round 6
OPL Roster%
0.00%
OPL Average Salary
$0.00
August 19, 2025 4:09 PM : The Mariners optioned Kowar to Triple-A Tacoma on Tuesday.
Analysis: Kowar had allowed four runs over 2.1 innings covering his last three relief appearances. He'll head to Tacoma for now but could get another opportunity in the Seattle bullpen later on this season.
MLB Stats
Pitching
| Year | Team | G | GS | IP | SV | HLD | K | BB | HBP | HR | P/IP | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | KCR | 9 | 8 | 30.1 | 0 | 0 | 29 | 20 | 2 | 7 | 1.74 | 52.67 |
| 2022 | KCR | 7 | 0 | 15.2 | 0 | 2 | 17 | 11 | 0 | 4 | 2.26 | 35.33 |
| 2023 | KCR | 23 | 0 | 28.0 | 0 | 0 | 29 | 20 | 1 | 4 | 2.96 | 83.00 |
| 2025 | SEA | 15 | 0 | 17.0 | 0 | 1 | 15 | 7 | 1 | 4 | 2.53 | 43.00 |
MILB Stats
Pitching
| Year | Team | G | GS | IP | SV | HLD | K | BB | HBP | HR | P/IP | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | KCR (A) | 9 | 9 | 26.1 | 0 | 0 | 22 | 12 | 0 | 2 | 4.32 | 113.67 |
| 2019 | KCR (A+) | 13 | 13 | 74.0 | 0 | 0 | 66 | 22 | 10 | 4 | 4.78 | 354.00 |
| 2019 | KCR (AA) | 13 | 13 | 74.1 | 0 | 0 | 78 | 21 | 2 | 8 | 4.77 | 354.67 |
| 2021 | KCR (AAA) | 17 | 16 | 80.2 | 0 | 0 | 115 | 34 | 4 | 7 | 5.31 | 428.33 |
| 2022 | KCR (AAA) | 20 | 20 | 83.1 | 0 | 0 | 88 | 43 | 8 | 14 | 3.09 | 257.67 |
| 2023 | KCR (AAA) | 30 | 1 | 45.1 | 2 | 3 | 49 | 32 | 6 | 4 | 3.99 | 180.67 |
| 2025 | SEA (CPX) | 2 | 2 | 2.0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 12.00 |
| 2025 | SEA (AAA) | 16 | 0 | 14.0 | 2 | 2 | 15 | 10 | 2 | 0 | 5.86 | 82.00 |
Recent Games
Last 10 MLB Games
| Date | Team | Opponent | GS | Win | Save | Hold | IP | TBF | R | ER | H | K | BB | HBP | HR | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 18, 2025 | SEA | @PHI | 0 | 0 | 0 | 0 | 1.0 | 7 | 1 | 1 | 2 | 1 | 2 | 0 | 0 | 1.00 |
| Aug 17, 2025 | SEA | @NYM | 0 | 0 | 0 | 0 | 1.0 | 5 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 6.00 |
| Aug 15, 2025 | SEA | @NYM | 0 | 0 | 0 | 0 | 0.1 | 4 | 3 | 3 | 3 | 1 | 0 | 0 | 1 | -9.33 |
| Aug 14, 2025 | SEA | @BAL | 0 | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7.00 |
| Aug 7, 2025 | SEA | CHW | 0 | 1 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.00 |
| Aug 5, 2025 | SEA | CHW | 0 | 0 | 0 | 0 | 1.0 | 5 | 2 | 2 | 2 | 1 | 0 | 0 | 2 | -19.00 |
| Jul 29, 2025 | SEA | @ATH | 0 | 0 | 0 | 0 | 2.0 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12.00 |
| Jul 27, 2025 | SEA | @LAA | 0 | 0 | 0 | 0 | 1.0 | 4 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2.00 |
| Jun 14, 2025 | SEA | CLE | 0 | 1 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7.00 |
| Jun 10, 2025 | SEA | @ARI | 0 | 0 | 0 | 0 | 2.0 | 7 | 1 | 1 | 1 | 3 | 0 | 0 | 1 | 3.00 |
| Totals | 0 | 2 | 0 | 0 | 11.1 | 47 | 7 | 7 | 10 | 11 | 4 | 0 | 4 | 14.67 | ||
Last 10 MILB Games
| Date | Level | Team | Opponent | GS | Win | Save | IP | TBF | R | ER | H | K | BB | HBP | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 19, 2025 | AAA | TAC | ELP | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Jul 13, 2025 | AAA | TAC | @RNO | 0 | 0 | 1 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jul 11, 2025 | AAA | TAC | @RNO | 0 | 0 | 0 | 1.0 | 7 | 2 | 2 | 2 | 2 | 2 | 0 | 0 |
| Jul 8, 2025 | AAA | TAC | @RNO | 0 | 0 | 0 | 1.0 | 5 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Jul 4, 2025 | AAA | TAC | @SL | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Jul 1, 2025 | AAA | TAC | SL | 0 | 0 | 0 | 1.0 | 5 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| Jun 28, 2025 | AAA | TAC | @RR | 0 | 0 | 0 | 0.2 | 6 | 4 | 1 | 1 | 1 | 2 | 0 | 0 |
| Jun 21, 2025 | AAA | TAC | ABQ | 0 | 0 | 0 | 1.0 | 4 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| Jun 19, 2025 | AAA | TAC | ABQ | 0 | 0 | 1 | 1.0 | 4 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| Jun 17, 2025 | AAA | TAC | ABQ | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Totals | 0 | 0 | 2 | 9.0 | 41 | 6 | 3 | 5 | 12 | 7 | 1 | 0 | |||
Avg Salary & Roster%
Last 30 days
2026 Position Eligibility Progress
To gain eligibility, a player must have 5 GS or 10 G at a position in the majors, or 20 G at a position in the minors.
Transaction History
| Date | Transaction Type | Team | Salary |
|---|---|---|---|
| May 31, 2021 4:03 PM | add | Dude…You’re Being Very Un-Dude | $1 |
| October 9, 2021 4:31 AM | increase | Dude…You’re Being Very Un-Dude | $3 |
| January 29, 2022 8:35 PM | cut | Dude…You’re Being Very Un-Dude | $0 |
Recent Trades for Jackson Kowar in SABR Points
| No trades found |