Seattle Mariners Best Single Seasons

In: Best Single Seasons By Franchise, Teams

These are the greatest individual seasons in Seattle Mariners history, broken down by player and position. Since we’re celebrating standout seasons, players can show up multiple times especially if they logged meaningful time at different spots on the field. Outfielders and pitchers may also appear for multiple seasons when those performances rank as the franchise’s best at their respective positions.

Catcher

  • Cal Raleigh – 2025Active

    Cal Raleigh Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    7.3 161 159 705 596 110 147 24 0 60 125 97 188 14 4 .247 .359 .589 .948

    • First Base

  • Alvin Davis – 1984Rookie of the Year

    Alvin Davis Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    6.0 140 152 678 567 80 161 34 3 27 116 97 78 5 4 .284 .391 .497 .888

    • Second Base

  • Bret Boone – 2001

    Bret Boone Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    8.8 149 158 690 623 118 206 37 3 37 141 40 110 5 5 .331 .372 .578 .950

    • Third Base

  • Edgar Martinez – 1992HOF

    Edgar Martinez Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    6.5 165 135 592 528 100 181 46 3 18 73 54 61 14 4 .343 .404 .544 .948

    • Shortstop

  • Alex Rodriguez – 2000

    Alex Rodriguez Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    10.4 158 148 672 554 134 175 34 2 41 132 100 121 15 4 .316 .420 .606 1.026

    • Outfield

  • Ken Griffey Jr. – 1993HOF

    Ken Griffey Jr. Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    8.8 164 156 691 582 113 180 38 3 45 109 96 91 17 9 .309 .408 .617 1.025

    • Outfield

  • Ken Griffey Jr. – 1997HOFMVP

    Ken Griffey Jr. Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    9.1 154 157 704 608 125 185 34 3 56 147 76 121 15 4 .304 .382 .646 1.028

    • Outfield

  • Ken Griffey Jr. – 1996HOF

    Ken Griffey Jr. Hitting Stats
    WAR wRC+ G PA AB R H 2B 3B HR RBI BB SO SB CS BA OBP SLG OPS
    9.7 146 140 638 545 125 165 26 2 49 140 78 104 16 1 .303 .392 .628 1.020

    • Starting Pitcher

  • Randy Johnson – 1995HOFCy Young

    Randy Johnson Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    8.6 52 30 30 18 2 2.48 214.1 6 3 0 65 59 65 294 33.9% 1.05

    • Starting Pitcher

  • Randy Johnson – 1997HOF

    Randy Johnson Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    8.0 50 30 29 20 4 2.28 213 5 2 0 60 54 77 291 34.2% 1.05

    • Starting Pitcher

  • Felix Hernandez – 2010Cy Young

    Felix Hernandez Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    7.2 59 34 34 13 12 2.27 249.2 6 1 0 80 63 70 232 23.2% 1.06

    • Starting Pitcher

  • Felix Hernandez – 2014

    Felix Hernandez Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    6.4 58 34 34 15 6 2.14 236 0 0 0 68 56 46 248 27.2% 0.92

    • Starting Pitcher

  • Felix Hernandez – 2009

    Felix Hernandez Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    5.9 58 34 34 19 5 2.49 238.2 2 1 0 81 66 71 217 22.2% 1.14

    • Relief Pitcher

  • J.J. Putz – 2007

    J.J. Putz Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    4.0 31 68 0 6 1 1.38 71.2 0 0 40 11 11 13 82 31.5% 0.70

    • Relief Pitcher

  • Casey Sadler – 2021

    Casey Sadler Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    2.0 16 42 0 0 1 0.67 40.1 0 0 0 4 3 10 37 25.5% 0.72

    • Relief Pitcher

  • Shigetoshi Hasegawa – 2003

    Shigetoshi Hasegawa Pitching Stats
    WAR ERA- G GS W L ERA IP CG ShO SV R ER BB SO K% WHIP
    3.2 34 63 0 2 4 1.48 73 0 0 16 12 12 18 32 11.3% 1.10

    • Honorable Mention

  • Catcher – Cal Raleigh, 2024
  • First Base – John Olerud, 2002
  • Second Base – Robinson Cano, 2016
  • Third Base – Kyle Seager, 2016
  • Shortstop – Alex Rodriguez, 1996
  • Outfield – Ken Griffey Jr., 1994
  • Outfield – Ichiro Suzuki, 2004
  • Outfield – Ken Griffey Jr., 1991
  • Starting Pitcher – Hisashi Iwakuma, 2013
  • Starting Pitcher – Randy Johnson, 1993
  • Starting Pitcher – Randy Johnson, 1994
  • Starting Pitcher – Jamie Moyer, 1999
  • Starting Pitcher – Jamie Moyer, 1998
  • Relief Pitcher – Kendall Graveman, 2021
  • Relief Pitcher – Norm Charlton, 1995

    • All underlying data used in this analysis is available in The Baseball Scholar Data Library.

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