Historical Impact Rankings

Standardized Statistical Dominance Index (Standardized Z-Scores Across 24 Years)

Career Impact Leaders

All-Time Cumulative

Top Career Hitters

RankPlayerImpactSeasons
#1+164.913Y
#2+150.614Y
#3
Mike TroutMLB_REF
+132.69Y
#4+128.812Y
#5+120.612Y
#6+116.410Y
#7+114.510Y
#8+109.87Y
#9
Joey VottoMLB_REF
+104.29Y
#10+103.611Y
#11+102.09Y
#12+99.39Y
#13+97.010Y
#14+94.610Y
#15
Ryan BraunMLB_REF
+89.08Y
#16+88.710Y
#17+86.66Y
#18
Juan SotoMLB_REF
+83.77Y
#19+81.29Y
#20+81.08Y
#21+77.88Y
#22+77.75Y
#23+76.98Y
#24+76.58Y
#25+75.88Y
#26+75.79Y
#27+74.79Y
#28+73.47Y
#29+72.58Y
#30+71.79Y
#31+71.58Y
#32+68.76Y
#33+68.69Y
#34+68.38Y
#35+67.96Y
#36+67.66Y
#37+64.56Y
#38+64.47Y
#39+64.17Y
#40+63.27Y
#41+62.49Y
#42+60.57Y
#43+59.38Y
#44+59.15Y
#45+58.16Y
#46+57.67Y
#47+57.56Y
#48+57.36Y
#49+56.46Y
#50+55.26Y
#51+54.57Y
#52+51.97Y
#53+51.77Y
#54+51.66Y
#55
Jim ThomeMLB_REF
+51.56Y
#56
Jose AbreuMLB_REF
+51.26Y
#57+51.15Y
#58+50.97Y
#59+50.95Y
#60+50.35Y
#61+49.47Y
#62+49.15Y
#63+49.06Y
#64+48.95Y
#65+48.87Y
#66+48.06Y
#67+48.06Y
#68
Matt KempMLB_REF
+47.85Y
#69
Derrek LeeMLB_REF
+46.95Y
#70
Adam DunnMLB_REF
+46.36Y
#71+45.36Y
#72+45.34Y
#73+44.85Y
#74+44.65Y
#75+44.45Y
#76
Jose ReyesMLB_REF
+44.25Y
#77+43.05Y
#78+42.85Y
#79+42.24Y
#80
Matt OlsonMLB_REF
+42.06Y
#81
Joe MauerMLB_REF
+41.35Y
#82+41.34Y
#83+41.15Y
#84+40.75Y
#85+40.15Y
#86+39.64Y
#87
Jason BayMLB_REF
+39.34Y
#88+39.24Y
#89
Carlos LeeMLB_REF
+38.35Y
#90+38.04Y
#91+38.04Y
#92+37.64Y
#93+37.44Y
#94+36.84Y
#95+36.64Y
#96+36.55Y
#97+36.45Y
#98+36.36Y
#99+36.14Y
#100+35.44Y

Top Career Starters

RankPlayerImpactSeasons
#1+75.916Y
#2+60.612Y
#3+53.913Y
#4+47.013Y
#5+43.69Y
#6+40.011Y
#7
Chris SaleMLB_REF
+38.49Y
#8+38.08Y
#9+37.910Y
#10+37.29Y
#11+35.69Y
#12+32.89Y
#13
Roy OswaltMLB_REF
+32.88Y
#14
Tim HudsonMLB_REF
+31.99Y
#15
Jon LesterMLB_REF
+31.19Y
#16+30.08Y
#17+29.88Y
#18+29.39Y
#19+28.79Y
#20
Jake PeavyMLB_REF
+27.68Y
#21+26.58Y
#22
Cliff LeeMLB_REF
+26.16Y
#23+26.07Y
#24
Max FriedMLB_REF
+25.27Y
#25
Dan HarenMLB_REF
+25.07Y
#26+24.88Y
#27+24.65Y
#28+24.55Y
#29+23.58Y
#30+21.65Y
#31+21.55Y
#32
Yu DarvishMLB_REF
+21.47Y
#33+21.35Y
#34+20.77Y
#35
Sonny GrayMLB_REF
+20.68Y
#36
Aaron NolaMLB_REF
+20.37Y
#37+20.35Y
#38+19.76Y
#39+19.55Y
#40+19.34Y
#41+19.06Y
#42+19.06Y
#43
Lance LynnMLB_REF
+18.57Y
#44+18.54Y
#45+18.54Y
#46+18.56Y
#47
Matt CainMLB_REF
+18.15Y
#48+17.96Y
#49+17.96Y
#50+17.94Y
#51+17.96Y
#52+17.65Y
#53+17.65Y
#54+17.46Y
#55
Ted LillyMLB_REF
+17.26Y
#56+17.15Y
#57+17.16Y
#58+17.07Y
#59+16.44Y
#60+16.36Y
#61+16.34Y
#62+16.27Y
#63+15.94Y
#64+15.84Y
#65+15.53Y
#66
Logan WebbMLB_REF
+15.55Y
#67
Rich HillMLB_REF
+15.35Y
#68+15.25Y
#69+14.64Y
#70+14.65Y
#71+14.56Y
#72
Ben SheetsMLB_REF
+14.34Y
#73+14.24Y
#74+14.24Y
#75
Kyle LohseMLB_REF
+13.95Y
#76+13.85Y
#77+13.53Y
#78
J.A. HappMLB_REF
+13.44Y
#79
Brad PennyMLB_REF
+13.45Y
#80+13.34Y
#81+13.34Y
#82+13.13Y
#83+13.14Y
#84+13.14Y
#85+13.05Y
#86+13.04Y
#87+12.94Y
#88+12.94Y
#89+12.73Y
#90+12.43Y
#91+12.44Y
#92+12.33Y
#93+12.35Y
#94
Barry ZitoMLB_REF
+12.34Y
#95
Robbie RayMLB_REF
+12.24Y
#96+12.14Y
#97+12.03Y
#98
Zac GallenMLB_REF
+11.94Y
#99+11.73Y
#100
Derek LoweMLB_REF
+11.74Y

Top Career Relievers

RankPlayerImpactSeasons
#1+88.015Y
#2+82.913Y
#3+81.211Y
#4+63.111Y
#5+62.612Y
#6
Joe NathanMLB_REF
+58.19Y
#7
Edwin DiazMLB_REF
+55.99Y
#8
Josh HaderMLB_REF
+54.98Y
#9+52.38Y
#10+51.910Y
#11+45.08Y
#12+44.510Y
#13+42.29Y
#14+41.36Y
#15
Brad LidgeMLB_REF
+39.67Y
#16+35.77Y
#17+35.65Y
#18+34.48Y
#19+34.17Y
#20+34.05Y
#21+33.97Y
#22+33.07Y
#23+32.18Y
#24+31.87Y
#25+31.57Y
#26+31.46Y
#27+31.26Y
#28+30.06Y
#29+29.87Y
#30
Wade DavisMLB_REF
+28.65Y
#31+28.54Y
#32
J.J. PutzMLB_REF
+28.45Y
#33+28.45Y
#34
Brad HandMLB_REF
+28.35Y
#35+28.17Y
#36+28.06Y
#37
Jake McGeeMLB_REF
+27.96Y
#38
Tom GordonMLB_REF
+27.55Y
#39+27.36Y
#40+27.34Y
#41+27.35Y
#42
B.J. RyanMLB_REF
+27.05Y
#43+26.36Y
#44
Ken GilesMLB_REF
+25.65Y
#45+25.66Y
#46+25.06Y
#47+24.65Y
#48+24.64Y
#49+24.25Y
#50
Heath BellMLB_REF
+24.15Y
#51
Mike AdamsMLB_REF
+23.94Y
#52+23.45Y
#53+22.85Y
#54+22.75Y
#55+22.64Y
#56+22.55Y
#57+22.34Y
#58
Will SmithMLB_REF
+22.35Y
#59+22.26Y
#60+22.25Y
#61+21.74Y
#62+21.14Y
#63
Jason AdamMLB_REF
+20.84Y
#64+20.65Y
#65+20.65Y
#66+20.54Y
#67+20.55Y
#68
Eric GagneMLB_REF
+20.32Y
#69+19.94Y
#70
Pat NeshekMLB_REF
+19.94Y
#71+19.34Y
#72
Cody AllenMLB_REF
+19.24Y
#73+19.03Y
#74+19.04Y
#75+18.74Y
#76+18.54Y
#77+18.43Y
#78+18.34Y
#79+18.13Y
#80+18.13Y
#81+18.14Y
#82+17.94Y
#83+17.73Y
#84+17.53Y
#85
Alex VesiaMLB_REF
+17.44Y
#86+17.44Y
#87+17.34Y
#88+17.04Y
#89+16.94Y
#90+16.94Y
#91+16.54Y
#92+16.23Y
#93+16.24Y
#94+16.23Y
#95+15.93Y
#96+15.93Y
#97+15.73Y
#98+15.63Y
#99+15.54Y
#100+15.43Y

The Pantheon of Seasons

All-Time Single Season Peaks

Greatest Hitting Seasons

RankPlayerImpactYear
#1+23.82024
#2+23.72023
#3+23.52022
#4+23.12024
#5+22.92004
#6+22.02001
#7+21.32025
#8+19.02013
#9+18.92018
#10+18.62007
#11+18.42009
#12+18.22015
#13
Matt KempMLB_REF
+18.02011
#14+17.92003
#15
Sammy SosaMLB_REF
+17.52001
#16+17.52005
#17+17.42024
#18+17.22025
#19
Mike TroutMLB_REF
+17.22018
#20+17.12019
#21
Mike TroutMLB_REF
+16.82013
#22+16.72005
#23
Derrek LeeMLB_REF
+16.62005
#24+16.62015
#25+16.62018
#26+16.42003
#27+16.42018
#28
Mike TroutMLB_REF
+16.22012
#29
Ryan BraunMLB_REF
+16.12011
#30+16.12008
#31+16.02023
#32+15.92023
#33
Mike TroutMLB_REF
+15.82016
#34
Matt OlsonMLB_REF
+15.82023
#35
Juan SotoMLB_REF
+15.72024
#36+15.62001
#37+15.62022
#38
Ryan BraunMLB_REF
+15.62012
#39+15.42023
#40+15.42013
#41+15.42011
#42
Juan SotoMLB_REF
+15.42025
#43+15.32006
#44+15.22011
#45+15.22010
#46
Joey VottoMLB_REF
+15.12010
#47+15.12017
#48+15.12003
#49+15.02001
#50+14.92018
#51+14.92012
#52+14.92019
#53+14.92013
#54+14.92003
#55+14.82010
#56+14.82011
#57+14.72021
#58+14.72024
#59+14.72010
#60+14.62001
#61+14.62017
#62
Mike TroutMLB_REF
+14.62014
#63+14.42006
#64+14.42022
#65+14.42004
#66+14.42001
#67
Juan SotoMLB_REF
+14.32021
#68
Mike TroutMLB_REF
+14.32019
#69+14.12007
#70+14.12001
#71+14.02005
#72+13.92021
#73+13.82014
#74
Joey VottoMLB_REF
+13.82015
#75+13.82010
#76+13.82007
#77+13.82022
#78+13.82015
#79+13.72017
#80
Mike TroutMLB_REF
+13.72015
#81+13.72011
#82+13.72021
#83+13.72025
#84+13.62004
#85+13.62017
#86+13.62021
#87+13.62014
#88+13.62019
#89+13.52007
#90+13.52009
#91+13.42021
#92
Joey VottoMLB_REF
+13.42017
#93+13.42008
#94+13.42007
#95+13.42017
#96+13.32016
#97+13.32004
#98+13.32020
#99+13.22004
#100+13.22007

Greatest Starting Seasons

RankPlayerImpactYear
#1+8.02015
#2+7.52015
#3+7.42014
#4+7.32011
#5+7.32019
#6+7.32004
#7+7.22018
#8+7.02017
#9+6.82001
#10+6.82022
#11+6.72019
#12+6.62004
#13+6.52017
#14+6.52016
#15+6.52011
#16+6.42021
#17+6.32009
#18
Jake PeavyMLB_REF
+6.32007
#19+6.32024
#20+6.32018
#21+6.22010
#22+6.22003
#23+6.22017
#24+6.22006
#25+6.12015
#26+6.12014
#27+6.12001
#28
Cliff LeeMLB_REF
+6.12008
#29+6.02004
#30+6.02010
#31+6.02013
#32+5.92021
#33+5.92015
#34+5.92018
#35+5.92016
#36+5.92009
#37+5.92018
#38
Aaron NolaMLB_REF
+5.82018
#39+5.82009
#40+5.82021
#41+5.82005
#42+5.82016
#43+5.82013
#44+5.82005
#45
Jon LesterMLB_REF
+5.82016
#46
Chris SaleMLB_REF
+5.82024
#47+5.82020
#48+5.82008
#49+5.82022
#50
Chris SaleMLB_REF
+5.72017
#51+5.72011
#52+5.72003
#53+5.62016
#54+5.62012
#55
Chris SaleMLB_REF
+5.62018
#56+5.62003
#57+5.62023
#58+5.62011
#59+5.52025
#60+5.52014
#61+5.52005
#62+5.52022
#63+5.52021
#64+5.52012
#65
Mark PriorMLB_REF
+5.52003
#66+5.52025
#67+5.52019
#68+5.52009
#69+5.42007
#70+5.42024
#71+5.42012
#72+5.42014
#73+5.32025
#74+5.32009
#75+5.32004
#76+5.32017
#77+5.32011
#78+5.32005
#79+5.32007
#80
Cliff LeeMLB_REF
+5.32011
#81+5.32018
#82+5.22003
#83+5.22005
#84
Max FriedMLB_REF
+5.22025
#85+5.22015
#86+5.22009
#87+5.22006
#88+5.22015
#89+5.22009
#90
Alex WoodMLB_REF
+5.22017
#91+5.22005
#92
Ben SheetsMLB_REF
+5.22004
#93+5.22001
#94+5.12001
#95+5.12012
#96+5.12023
#97+5.12007
#98+5.12022
#99+5.12004
#100+5.12015

Greatest Relieving Seasons

RankPlayerImpactYear
#1
Eric GagneMLB_REF
+12.02003
#2+10.72012
#3
Edwin DiazMLB_REF
+10.62018
#4
Brad LidgeMLB_REF
+10.52004
#5
Edwin DiazMLB_REF
+10.12022
#6+10.12017
#7
Josh HaderMLB_REF
+9.72019
#8+9.62017
#9+9.62016
#10+9.42012
#11+9.32019
#12
Josh HaderMLB_REF
+9.22021
#13+9.12004
#14+9.12023
#15+9.02016
#16+8.92017
#17+8.82013
#18+8.72021
#19+8.62022
#20+8.62013
#21+8.52013
#22+8.52025
#23
Eric GagneMLB_REF
+8.42004
#24+8.32007
#25
Wade DavisMLB_REF
+8.32014
#26
Josh HaderMLB_REF
+8.32018
#27+8.32014
#28+8.22020
#29+8.12013
#30+8.12015
#31+8.12017
#32
Joe NathanMLB_REF
+8.02006
#33+8.02024
#34+8.02001
#35
Tom GordonMLB_REF
+8.02004
#36+7.92003
#37+7.92011
#38+7.92008
#39+7.92011
#40+7.82023
#41+7.82007
#42+7.82022
#43+7.82003
#44+7.82011
#45+7.82008
#46
Joe NathanMLB_REF
+7.72009
#47+7.72010
#48
Joe NathanMLB_REF
+7.72004
#49+7.72024
#50+7.72025
#51+7.62021
#52+7.62016
#53
J.J. PutzMLB_REF
+7.62007
#54+7.62016
#55+7.62014
#56+7.62012
#57+7.62011
#58+7.62006
#59+7.52022
#60
J.J. PutzMLB_REF
+7.52006
#61+7.52015
#62+7.52010
#63+7.42022
#64+7.42004
#65+7.42003
#66+7.42015
#67
B.J. RyanMLB_REF
+7.42006
#68+7.42018
#69+7.42010
#70+7.42009
#71+7.32018
#72+7.32006
#73+7.32001
#74+7.32004
#75+7.32016
#76+7.32015
#77
Mike AdamsMLB_REF
+7.32009
#78+7.32001
#79+7.22014
#80
Robb NenMLB_REF
+7.22001
#81+7.22007
#82+7.22018
#83
Wade DavisMLB_REF
+7.12015
#84+7.12013
#85+7.12008
#86+7.12021
#87+7.12018
#88+7.02019
#89
Joe NathanMLB_REF
+7.02008
#90+7.02010
#91+7.02025
#92
Josh HaderMLB_REF
+7.02023
#93+7.02006
#94+7.02016
#95
Joe NathanMLB_REF
+7.02005
#96
Edwin DiazMLB_REF
+7.02025
#97
Brad LidgeMLB_REF
+7.02005
#98+6.92005
#99+6.92005
#100+6.92005

Browse Seasonal Performance

Compare players against their specific league environment. Select a year to see who gapped the competition.

Impact Methodology

To accurately compare players across different eras and category environments, we use a Standardized Z-Score approach. A player's impact is the sum of standard deviations they performed above the league average across all relevant categories for that specific year.Starters and Relievers are calculated independently to ensure volume-based stats like Wins and K's don't overshadow elite reliever ratios.

Categories Analyzed

Hitters

R, HR, RBI, SB, AVG, OBP, OPS

Starters

W, K, ERA, WHIP, QS

Relievers

SV, HLD, ERA, WHIP, K/9