Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.

Single-Season Leaders (WHIP)

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Average OBP SLG OPS At Bats Runs Hits Doubles Triples Homers RBIs Walks Strikeouts Stolen Bases Caught Stealing Sac Hits Sac Fly HBP GIDP D+/- Wins Losses ERA WHIP Innings Hits Allowed HR Allowed Walks (P) Strikeouts (p) Complete Games Saves Blown Saves Shutouts Quality Starts Wild Pitches Hit Batters H/9 BB/9 SO/9

1.	Feliz, Neftali	(dunroche)	Washington Angry Ducks	0.33
2.	Miller, Andrew	(jamin)	Chester Springs Menjai	0.42
3.	Betancourt, Rafael	(maharacer)	Staten Island Express	0.42
4.	Boxberger, Brad	(sytsmab)	Asbury Park LUMPEN PROLS	0.44
5.	Adams, Mike	(MikeDrop0221)	Carolina Mad Ducks	0.45
6.	Saito, Takashi	(Sugarland)	Chicago Colts	0.45
7.	Saito, Takashi	(Pman)	CP Town United	0.46
8.	Jansen, Kenley	(sheikyerboudi)	Giraffe Loogies	0.46
9.	Papelbon, Jonathan	(nycubsfan)	San Antonio Texans	0.46
10.	Kimbrel, Craig		Boston Sox	0.46
11.	Putz, J.J.	(kingstreet)	Singapore Slingers	0.46
12.	Uehara, Koji	(chunkyschumps)	Rhode Island Shark Attack	0.47
13.	Uehara, Koji		Cu Chi TUNNEL VICTORS	0.47
14.	Kimbrel, Craig	(rfb60609)	Wormsleyburg Warriors	0.47
15.	Doolittle, Sean	(jamin)	Chester Springs Menjai	0.48
16.	Young, Cy	(joshbonds25)	Drunken Gamblers	0.49
17.	Doolittle, Sean	(Sabotage)	Southside Sabotage Hitmen	0.49
18.	Eckersley, Dennis	(freemanflash)	LaCrosse Loggers	0.49
19.	Eckersley, Dennis		Even Flow	0.50
20.	Rivera, Mariano	(joshbonds25)	Van Buren Boys	0.50
21.	Gregerson, Luke	(richgibson)	RUNAWay SLAvES	0.50
22.	Uehara, Koji	(RegularDog)	Cali KillerWasps	0.51
23.	Kimbrel, Craig		Pope Pius Pals	0.51
24.	Uehara, Koji	(kingstreet)	Singapore Slingers	0.52
25.	Kimbrel, Craig	(bbiel24)	Birchville Bulldogs	0.52
26.	McHugh, Collin		Appalachian Moonshiners	0.52
27.	Jansen, Kenley	(michelb3514)	Iowa Corn Pickers	0.52
28.	Adams, Mike	(dunroche)	New York Knights	0.52
29.	Adams, Mike	(redbird63)	Honolulu Punchers	0.52
30.	Gagne, Eric	(Brianmorgan)	Cape Cod Steamers⚾	0.52
31.	Uehara, Koji	(michelb3514)	Iowa Corn Pickers	0.53
32.	Kimbrel, Craig	(gt049)	Fredricksburg Feds	0.53
33.	Davis, Wade	(chaaad)	Brooklyn Excelsiors	0.53
34.	Saito, Takashi	(WorcWarr)	Worcester Warriors	0.53
35.	Kimbrel, Craig		Washington DC Democrats	0.53
36.	Percival, Troy	(BamaTrashman)	Chico’s Bail Bonds	0.53
37.	Doolittle, Sean	(nycubsfan)	Jackson Heights Knights	0.53
38.	Gagne, Eric		Weesles Ripped My Flesh	0.54
39.	Uehara, Koji	(deano9)	Windsor Kick Aces	0.54
40.	Doolittle, Sean	(nycubsfan)	American Pharoahs	0.54
41.	Chapman, Aroldis	(Sugarland)	Chicago Colts	0.54
42.	Eichhorn, Mark	(johnmardis)	Warner Town Animaniacs	0.54
43.	Rivera, Mariano	(jpcortez)	Cooperstown Poodles	0.54
44.	Putz, J.J.	(dynasty)	Peshtigo Wolves	0.54
45.	Kimbrel, Craig		Lancaster Lefties	0.54
46.	Edwards, Carl	(dynasty)	New York Mets	0.55
47.	Kimbrel, Craig		ARCTIC .50 EXOTICS	0.55
48.	Gagne, Eric	(babyyoda)	New York Stars	0.55
49.	Saito, Takashi	(Dark)	Jersey City Hooligans	0.55
50.	Miller, Andrew	(Minimomag)	Toronto Blue Birds	0.55