Jackson Kowar

SEA Mariners • #37 • Reliever

Active
Position Reliever
Height 6'5"
Weight 200
Age 29
Birthdate Oct 4, 1996
Birthplace Weddington, NC, USA
School Florida

Jackson Kowar Projections, Player Props and Stats

Strikeouts Thrown

1.0 / game
(2025) avg
Date Opponent K Close
Aug 18 @ PHI PHI 1 -
Aug 17 @ NYM NYM 2 -
Aug 15 @ NYM NYM 1 -
Aug 14 @ BAL BAL 1 -
Aug 7 vs CHW CHW 0 -
Aug 5 vs CHW CHW 1 -
Jul 29 @ ATH ATH 1 -
Jul 27 @ LAA LAA 0 -
Jun 14 vs CLE CLE 1 -
Jun 10 @ AZ AZ 3 -
Last 10 average 1.1

Outs Recorded

3.4 / game
(2025) avg
Date Opponent Outs Close
Aug 18 @ PHI PHI 3 -
Aug 17 @ NYM NYM 3 -
Aug 15 @ NYM NYM 1 -
Aug 14 @ BAL BAL 3 -
Aug 7 vs CHW CHW 3 -
Aug 5 vs CHW CHW 3 -
Jul 29 @ ATH ATH 6 -
Jul 27 @ LAA LAA 3 -
Jun 14 vs CLE CLE 3 -
Jun 10 @ AZ AZ 6 -
Last 10 average 3.4

To Record A Win

2
(2025) total wins
Date Opponent Wins Close
Aug 18 @ PHI PHI - -
Aug 17 @ NYM NYM - -
Aug 15 @ NYM NYM - -
Aug 14 @ BAL BAL - -
Aug 7 vs CHW CHW W -
Aug 5 vs CHW CHW - -
Jul 29 @ ATH ATH - -
Jul 27 @ LAA LAA - -
Jun 14 vs CLE CLE W -
Jun 10 @ AZ AZ - -
Wins in last 10 2

Hits Allowed

0.93 / game
(2025) avg
Date Opponent Hits Close
Aug 18 @ PHI PHI 2 -
Aug 17 @ NYM NYM 1 -
Aug 15 @ NYM NYM 3 -
Aug 14 @ BAL BAL 0 -
Aug 7 vs CHW CHW 0 -
Aug 5 vs CHW CHW 2 -
Jul 29 @ ATH ATH 0 -
Jul 27 @ LAA LAA 1 -
Jun 14 vs CLE CLE 0 -
Jun 10 @ AZ AZ 1 -
Last 10 average 1.0

Walks Given

0.47 / game
(2025) avg
Date Opponent W Close
Aug 18 @ PHI PHI 2 -
Aug 17 @ NYM NYM 1 -
Aug 15 @ NYM NYM 0 -
Aug 14 @ BAL BAL 0 -
Aug 7 vs CHW CHW 0 -
Aug 5 vs CHW CHW 0 -
Jul 29 @ ATH ATH 0 -
Jul 27 @ LAA LAA 1 -
Jun 14 vs CLE CLE 0 -
Jun 10 @ AZ AZ 0 -
Last 10 average 0.4

Earned Runs Allowed

0.53 / game
(2025) avg
Date Opponent E. Run Close
Aug 18 @ PHI PHI 1 -
Aug 17 @ NYM NYM 0 -
Aug 15 @ NYM NYM 3 -
Aug 14 @ BAL BAL 0 -
Aug 7 vs CHW CHW 0 -
Aug 5 vs CHW CHW 2 -
Jul 29 @ ATH ATH 0 -
Jul 27 @ LAA LAA 0 -
Jun 14 vs CLE CLE 0 -
Jun 10 @ AZ AZ 1 -
Last 10 average 0.7

Jackson Kowar Game Logs

2025 Game Log
Date Opp Score M/L O/U S/R RES IP H R ER SO BB HR PIT P/IP G/F
Aug 18 @ PHI L 12 - 7 L 104 O 7.5 R ND 1.0 2 1 1 1 2 0 30 30.0 0.00
Aug 17 @ NYM L 7 - 3 L -115 O 8.0 R ND 1.0 1 0 0 2 1 0 18 18.0 0.00
Aug 15 @ NYM W 11 - 9 W 115 O 9.0 R ND 0.1 3 3 3 1 0 1 9 27.0 0.00
Aug 14 @ BAL L 5 - 3 L -116 U 9.5 R ND 1.0 0 0 0 1 0 0 10 10.0 0.00
Aug 7 vs CHW W 4 - 3 F/11 W -278 P 7.0 R W 1.0 0 0 0 0 0 0 11 11.0 0.00
Aug 5 vs CHW W 8 - 3 W -235 O 7.5 R ND 1.0 2 2 2 1 0 2 20 20.0 0.00
Jul 29 @ ATH L 6 - 1 L -100 U 11.0 R ND 2.0 0 0 0 1 0 0 16 8.0 2.00
Jul 27 @ LAA L 4 - 1 L -165 U 8.5 R ND 1.0 1 0 0 0 1 0 17 17.0 0.00
Jun 14 vs CLE W 4 - 3 W -134 O 6.5 R W 1.0 0 0 0 1 0 0 11 11.0 0.00
Jun 10 @ AZ L 10 - 3 L 127 O 10.0 R ND 2.0 1 1 1 3 0 1 28 14.0 1.00
Jun 7 @ LAA L 8 - 6 L -160 O 9.0 R ND 0.2 1 1 1 1 3 0 33 49.5 0.00
Jun 6 @ LAA L 5 - 4 L -118 P 9.0 R ND 1.0 1 0 0 1 0 0 17 17.0 0.00
Jun 3 vs BAL L 5 - 1 L -138 U 7.5 R ND 2.0 0 0 0 1 0 0 26 13.0 0.67
May 31 vs MIN W 5 - 4 F/11 W 102 O 7.0 R H 1.0 1 0 0 0 0 0 19 19.0 0.00
May 28 vs WAS L 9 - 0 L -226 O 8.0 R ND 1.0 1 0 0 1 0 0 16 16.0 0.00
Show Full Season

Jackson Kowar's Pitching Statistics for Regular Season

Season Team G GS W L SV BS ERA CG SHO IP H R ER BB SO HR WP
2025 SEA 15 0 2 0 0 0 4.24 0 0 17.0 14 8 8 7 15 4 2
2023 KC 23 0 2 0 0 0 6.43 0 0 28.0 34 24 20 20 29 4 5
2022 KC 7 0 0 0 0 0 9.77 0 0 15.7 27 17 17 11 17 4 0
2021 KC 9 8 0 6 0 0 11.27 0 0 30.3 43 38 38 20 29 7 8

Jackson Kowar's Pitching Statistics for Post Season

Season Team G GS W L SV BS ERA CG SHO IP H R ER BB SO HR WP

Pitching Splits

Overall Last 3 Away Home Day Night
W-L 2-0 0-0 0-0 2-0 1-0 1-0
ERA 6.43 0.00 9.77 2.19 5.84 6.89
IP 28.0 0.0 15.7 12.3 12.3 15.7
HITS 34 0 25 9 15 19
RUNS 24 0 21 3 12 12
ER 20 0 17 3 8 12
SO 29 0 14 15 12 17
BB 20 0 16 4 9 11
HR 4 0 4 0 2 2
OBP .401 .000 .472 .271 .403 .400
WHIP 1.93 0.00 2.62 1.05 1.95 1.91
GB:FB 1.93 0.00 2.00 1.83 2.14 1.75
SB 5 0 2 3 4 1
CS 0 0 0 0 0 0
SB% 0.00 0.00 0.00 0.00 0.00 0.00
QS% 0.00 0.00 0.00 0.00 0.00 0.00


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