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Win-Loss Percentage Leaders: 2015 MLB Season

Win-Loss Percentage is a pitching statistic in baseball that compares the percentage of wins to the percentage of losses in games in which the pitcher recorded either a win or a loss.

Win-Loss Percentage = Wins/(Wins + Losses)

More about Win-Loss Percentage Leaders

Pitching win-loss percentage leaders have the higher percent of their decisions (wins plus losses) be a win. Or in other words win-loss percentage equals (wins)/(wins + losses). Pitchers who lead the league in win-loss percentage are likely to pitch for a team with an above average offense which will more often than not put them in a position to earn a win. A little luck can help as well, as a pitcher may benefit from their bullpen not blowing a lead more than the average bullpen (in order to earn more wins) and he may also benefit from their offense scoring enough runs in the late innings to win the game for the team (in order to avoid more losses).


CHANGE SEASON: 
Win-Loss Percentage Leaders
RankPlayerPosTeamGSWinsLossesWin-Loss %
1Zack GreinkePARI321930.864
2Jake ArrietaPCHC332260.786
3David PricePBOS321850.783
4Collin McHughPHOU321970.731
5Dallas KeuchelPHOU332080.714
6Michael WachaPSTL301770.708
7Gerrit ColePPIT321980.704
8Clayton KershawPLAD331670.696
9Felix HernandezPSEA311890.667
10Madison BumgarnerPSF321890.667
11Sonny GrayPOAK311470.667
12Carlos MartinezPSTL291470.667
13Colby LewisPTEX331790.654
14Mark BuehrlePTOR321580.652
15James ShieldsPSD331370.650
16Erasmo RamirezPTB271160.647
17Jacob deGromPNYM301480.636
18Francisco LirianoPPIT311270.632
19Cole HamelsPTEX321380.619
20Matt HarveyPNYM291380.619
21Marco EstradaPTOR281380.619
22Yordano VenturaPKC281380.619
23Rubby De La RosaPARI321490.609
24Edinson VolquezPKC331390.591
25Jason HammelPCHC311070.588
26Danny SalazarPCLE3014100.583
27Wei-Yin ChenPBAL311180.579
28J.A. HappPTOR311180.579
29Gio GonzalezPWAS311180.579
30Julio TeheranPATL331180.579
31Taijuan WalkerPSEA291180.579
32John LackeyPCHC3313100.565
33Jordan ZimmermannPDET3313100.565
34A.J. BurnettPPIT26970.563
35Garrett RichardsPLAA3215120.556
36Dan HarenPCHC321190.550
37Ubaldo JimenezPBAL3212100.545
38Chris SalePCWS3113110.542
39Yovani GallardoPTEX3313110.542
40Carlos CarrascoPCLE3014120.538
41Max ScherzerPWAS3314120.538
42Kyle HendricksPCHC32870.533
43Brett AndersonPLAD311090.526
44Mike LeakePSF3011100.524
45Chris HestonPSF3112110.522
46Lance LynnPSTL3112110.522
47Alfredo SimonPDET3113120.520
48Bartolo ColonPNYM3114130.519
49R.A. DickeyPTOR3311110.500
50Jake OdorizziPTB28990.500
51Hector SantiagoPLAA32990.500
52Kyle GibsonPMIN3211110.500
53Wade MileyPSEA3211110.500
54Chris TillmanPBAL3111110.500
55Alex WoodPLAD3212120.500
56Chris ArcherPTB3412130.480
57Trevor BauerPCLE3011120.478
58Jon LesterPCHC3211120.478
59Jose QuintanaPCWS329100.474
60Jonathon NiesePPIT299100.474
61Jimmy NelsonPMIL3011130.458
62Jeff SamardzijaPSF3211130.458
63Johnny CuetoPKC3211130.458
64Tyson RossPSD3310120.455
65Tom KoehlerPMIA3111140.440
66Jeff LockePPIT308110.421
67Mike FiersPHOU307100.412
68Anthony DeSclafaniPCIN319130.409
69Scott KazmirPHOU317110.389
70Ian KennedyPSD309150.375
71CC SabathiaPNYY296100.375
72Rick PorcelloPBOS289150.375
73Corey KluberPCLE329160.360
74Mike PelfreyPDET306110.353
75John DanksPCWS307150.318
76Aaron HarangPPHI296150.286
77Andrew CashnerPSD316160.273
78Shelby MillerPATL336170.261
Win-Loss Percentage Leaders By Season:
2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 |

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