Jackson Kowar

Seattle Mariners, Starting Pitcher
Age: 28-36d (Oct 04, 1996)
Exp: 1.163 Years
Country: US
College: Florida
Drafted: Round 1 (#33 overall), 2018
2025 Payroll Salary

$800,000

2025 Cash

$800,000

Career Earnings

$3,486,136

2025-2025 Pre-Arb (CURRENT)

Jackson Kowar signed a 1 year , $800,000 contract with the Seattle Mariners, including $800,000 guaranteed, and an average annual salary of $800,000. In 2025, Kowar will earn a base salary of $800,000, while carrying a total salary of $800,000.
Contract Terms:
1 yr(s) / $800,000
Average Salary:
$800,000
Signing Bonus:
N/A
Year Age Status PayrollAnnual Luxury Tax Tax % League Tax Cash Annual Cash Cumulative
2025 28
Estimate
$800,000 $800,000 0.33% $800,000 $800,000
2026 29
ARB 1 (S2)
Year Age Service Status Base Salary Incentives Likely Incentives Unlikely Payroll Salary Luxury Tax
2025 28 1.163
Estimate
$800,000 - - $800,000 $800,000
2026 29 --
ARB 1 (S2)
Year Age Status Base Salary Cash Total Cash Cumulative AYC Cumulative AYC Remaining
2025 28
Estimate
$800,000 $800,000 $800,000 $800,000 $800,000
Source: MLB contract specifics generally collected from verified reports.

2024-2024 Pre-Arb

Jackson Kowar signed a 1 year , $743,000 contract with the Seattle Mariners, including $743,000 guaranteed, and an average annual salary of $743,000.
Contract Terms:
1 yr(s) / $743,000
Average Salary:
$743,000
Signing Bonus:
N/A
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2023-2023 Pre-Arb

Jackson Kowar signed a 1 year , $720,000 contract with the Kansas City Royals, including $720,000 guaranteed, and an average annual salary of $720,000.
Contract Terms:
1 yr(s) / $720,000
Average Salary:
$720,000
Signing Bonus:
N/A
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2022-2022 Pre-Arb

Jackson Kowar signed a 1 year , $702,000 contract with the Kansas City Royals, including $702,000 guaranteed, and an average annual salary of $702,000.
Contract Terms:
1 yr(s) / $702,000
Average Salary:
$702,000
Signing Bonus:
N/A
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2021-2021 Pre-Arb

Jackson Kowar signed a 1 year , $570,500 contract with the Kansas City Royals, including $570,500 guaranteed, and an average annual salary of $570,500.
Contract Terms:
1 yr(s) / $570,500
Average Salary:
$570,500
Signing Bonus:
N/A
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2018-2018 Signing Bonus

Jackson Kowar signed a 1 year , $2,147,500 contract with the Kansas City Royals, including $2,147,500 guaranteed, and an average annual salary of $2,147,500.
Contract Terms:
1 yr(s) / $2,147,500
Average Salary:
$2,147,500
Signing Bonus:
N/A
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Seasons

1.163 Years

Career Earnings thru 2025

$3,486,136

Earnings w/ Different Teams

2 teams

Earnings Per Year

Year Age Team(s) Status Cash Total Cash Cumulative Awards
2018 21
Signing Bonus
$2,147,500
$2,147,500
2021 24
Active
$147,216
$2,294,716
2022 25
Reserve / minor-buried
$169,708
$2,464,424
2023 26
Active
$278,712
$2,743,136
2024 27
Injured
$743,000
$3,486,136
Total      
$3,486,136
$3,486,136
2025 28
Active / estimate-pre-arbitration
$800,000
Total
$4,286,136

Earnings Per Team

Years Team Base Signing Incentives Cash Cumulative
4 $595,636 $2,147,500 - $2,743,136
1 $743,000 - - $743,000
Year Team(s) Age Base Signing Incentives Cash Total Cash Cumulative
2018
21
$2,147,500
$2,147,500
$2,147,500
2021
24
$147,216
$147,216
$2,294,716
2022
25
$169,708
$169,708
$2,464,424
2023
26
$278,712
$278,712
$2,743,136
2024
27
$743,000
$743,000
$3,486,136
Total
$1,338,636
$2,147,500
$3,486,136
$3,486,136
2025
28
$800,000
$800,000
Total
$2,138,636
$2,147,500
$4,286,136

Earnings Per Team

Years Team Base Signing Incentives Cash Cumulative
4 $595,636 $2,147,500 - $2,743,136
1 $743,000 - - $743,000

Injuries

Year Dates Reason
2024 SEA Mar 28, 2024 - Sep 29, 2024 Elbow (Tommy John)
  • Mar 01, 2024 Signed a 1 year $743,000 contract with Seattle (SEA)
  • Dec 03, 2023 Traded to Seattle (SEA) from Atlanta (ATL) with Cole Phillips for Jarred Kelenic, Marco Gonzales and Evan White
  • Nov 17, 2023 Traded to Atlanta (ATL) from Kansas City (KC) for Kyle Wright
  • Aug 17, 2023 Recalled from the Minors by Kansas City (KC)
  • Aug 02, 2023 Optioned to the Minors by Kansas City (KC)
  • Aug 01, 2023 Recalled from the Minors by Kansas City (KC)
  • Jun 24, 2023 Optioned to the Minors by Kansas City (KC)
  • Jun 02, 2023 Recalled from the Minors by Kansas City (KC)
  • May 20, 2023 Optioned to the Minors by Kansas City (KC)
  • May 16, 2023 Recalled from the Minors by Kansas City (KC)
  • Jul 30, 2022 Demoted to the Minors by Kansas City (KC)
  • Jul 27, 2022 Promoted from the Minors by Kansas City (KC)
  • Jul 26, 2022 Demoted to the Minors by Kansas City (KC)
  • Jun 26, 2022 Promoted from the Minors by Kansas City (KC)
  • Apr 11, 2022 Optioned to the Minors by Kansas City (KC)
  • Jul 02, 2018 Signed a contract with Kansas City (KC)
  • Jun 04, 2018 Drafted by Kansas City (KC): Round 1 (#33 overall)
  • Jul 17, 2015 Unsigned by Detroit (DET)
  • Jun 10, 2015 Drafted by Detroit (DET): Round 40 (#1210 overall)
Year Team GP GS H R ER BB K HR W L SV IP ERA WHIP WAR
2024 SEA 0 0 0 0 0 0 0 0 0 0 0 0.0 0.00 0.00
2023 KC 23 0 34 24 20 20 29 4 2 0 0 28.0 6.43 1.93 -0.56
2022 KC 7 0 27 17 17 11 17 4 0 0 0 15.7 9.77 2.43 -0.58
2021 KC 9 8 43 38 38 20 29 7 0 6 0 30.3 11.28 2.08 -1.46
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