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
H2H FanGraphs Points
Average $0.00
Median $0.00
All Leagues
Average $1.00
Median $1.00
H2H FanGraphs Points
Average $1.40
Median $1.00
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 | H | BB | HBP | HR | P/IP | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | KCR | 9 | 8 | 30.1 | 0 | 0 | 29 | 43 | 20 | 2 | 7 | 0.61 | 18.57 |
| 2022 | KCR | 7 | 0 | 15.2 | 0 | 2 | 17 | 27 | 11 | 0 | 4 | 0.35 | 5.53 |
| 2023 | KCR | 23 | 0 | 28.0 | 0 | 0 | 29 | 34 | 20 | 1 | 4 | 2.31 | 64.60 |
| 2025 | SEA | 15 | 0 | 17.0 | 0 | 1 | 15 | 14 | 7 | 1 | 4 | 2.95 | 50.20 |
MILB Stats
Pitching
| Year | Team | G | GS | IP | SV | HLD | K | H | BB | HBP | HR | P/IP | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | KCR (A) | 9 | 9 | 26.1 | 0 | 0 | 22 | 19 | 12 | 0 | 2 | 4.89 | 128.87 |
| 2019 | KCR (A+) | 13 | 13 | 74.0 | 0 | 0 | 66 | 68 | 22 | 10 | 4 | 4.83 | 357.60 |
| 2019 | KCR (AA) | 13 | 13 | 74.1 | 0 | 0 | 78 | 73 | 21 | 2 | 8 | 4.69 | 348.87 |
| 2021 | KCR (AAA) | 17 | 16 | 80.2 | 0 | 0 | 115 | 66 | 34 | 4 | 7 | 5.64 | 455.23 |
| 2022 | KCR (AAA) | 20 | 20 | 83.1 | 0 | 0 | 88 | 95 | 43 | 8 | 14 | 2.65 | 220.47 |
| 2023 | KCR (AAA) | 30 | 1 | 45.1 | 2 | 3 | 49 | 51 | 32 | 6 | 4 | 3.52 | 159.67 |
| 2025 | SEA (CPX) | 2 | 2 | 2.0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 5.8 | 11.60 |
| 2025 | SEA (AAA) | 16 | 0 | 14.0 | 2 | 2 | 15 | 9 | 10 | 2 | 0 | 6.59 | 92.20 |
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 | -1.80 |
| Aug 17, 2025 | SEA | @NYM | 0 | 0 | 0 | 0 | 1.0 | 5 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 5.80 |
| Aug 15, 2025 | SEA | @NYM | 0 | 0 | 0 | 0 | 0.1 | 4 | 3 | 3 | 3 | 1 | 0 | 0 | 1 | -15.63 |
| Aug 14, 2025 | SEA | @BAL | 0 | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9.40 |
| Aug 7, 2025 | SEA | CHW | 0 | 1 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.40 |
| Aug 5, 2025 | SEA | CHW | 0 | 0 | 0 | 0 | 1.0 | 5 | 2 | 2 | 2 | 1 | 0 | 0 | 2 | -20.40 |
| Jul 29, 2025 | SEA | @ATH | 0 | 0 | 0 | 0 | 2.0 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 16.80 |
| Jul 27, 2025 | SEA | @LAA | 0 | 0 | 0 | 0 | 1.0 | 4 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1.80 |
| Jun 14, 2025 | SEA | CLE | 0 | 1 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9.40 |
| Jun 10, 2025 | SEA | @ARI | 0 | 0 | 0 | 0 | 2.0 | 7 | 1 | 1 | 1 | 3 | 0 | 0 | 1 | 5.90 |
| Totals | 0 | 2 | 0 | 0 | 11.1 | 47 | 7 | 7 | 10 | 11 | 4 | 0 | 4 | 18.67 | ||
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 |
|---|---|---|---|
| June 9, 2021 11:40 AM | add | The Balking Dead 🧟♂️ | $2 |
| June 20, 2021 5:43 PM | move | I did it all for the nootbaar (from The Balking Dead 🧟♂️) | $2 |
| June 28, 2021 1:12 PM | cut | I did it all for the nootbaar | $1 |
| August 27, 2021 1:42 PM | add | I did it all for the nootbaar | $1 |
| August 27, 2021 1:55 PM | cut | I did it all for the nootbaar | $1 |
Recent Trades for Jackson Kowar in H2H FanGraphs Points
| Date | Proposing Team | Proposing Team Gives | Accepting Team | Accepting Team Gives |
|---|---|---|---|---|
| June 19, 2021 5:42 PM | The Balking Dead 🧟♂️ |
Gerrit Cole NYY SP R $45 60IL Hyun Jin Ryu TOR RP L $16 LaMonte Wade Jr. SFG 1B/OF L $1 Jackson Kowar KCR RP R $2 $39 loan |
I did it all for the nootbaar |
Vidal Brujan TBR 2B/SS/3B/OF S $4 Jake Fraley SEA OF L $3 Jarred Kelenic ATL AAA OF L $15 Tarik Skubal DET SP L $3 |
| April 24, 2021 9:48 AM | Yes, I Confess |
Anderson Tejeda STL ST Util S $1 Jackson Kowar KCR RP R $1 |
Cycle Man |
Aaron Hicks NYY OF S $2 |