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.	Jansen, Kenley	(Gerald57)	Midwest Generals	0.42
3.	Miller, Andrew	(jamin)	Chester Springs Menjai	0.42
4.	Betancourt, Rafael	(filler)	Staten Island Daddy Hackers	0.42
5.	Boxberger, Brad	(sytsmab)	Asbury Park LUMPEN PROLS	0.44
6.	Kimbrel, Craig	(13tiger)	Anchorage Otters	0.44
7.	Adams, Mike	(dunroche)	Carolina Mad Ducks	0.45
8.	Jansen, Kenley	(flyingsnake)	B-burg Slugs	0.45
9.	Saito, Takashi	(Sugarland)	Chicago Colts	0.45
10.	Saito, Takashi	(Pman)	CP Town United	0.46
11.	Jansen, Kenley	(sheikyerboudi)	Giraffe Loogies	0.46
12.	Kimbrel, Craig	(kingstreet)	Singapore Slingers	0.46
13.	Putz, J.J.	(kingstreet)	Singapore Slingers	0.46
14.	Green, Chad	(ryanek11)	Donkey Hodey	0.47
15.	Putz, J.J.	(sytsmab)	Oshkosh Titans	0.47
16.	Uehara, Koji		Rhode Island Shark Attack	0.47
17.	Uehara, Koji	(BigPaws)	Cu Chi TUNNEL VICTORS	0.47
18.	Kimbrel, Craig	(rfb60609)	Wormsleyburg Warriors	0.47
19.	Doolittle, Sean	(jamin)	Chester Springs Menjai	0.48
20.	Young, Cy	(CubanLou)	Miami Cubans	0.49
21.	Green, Chad	(Bhgray)	Duke Blue Devils	0.49
22.	Doolittle, Sean	(Sabotage)	Southside Sabotage Hitmen	0.49
23.	Eckersley, Dennis		Arctic Flightless Fowl	0.49
24.	Eckersley, Dennis		McMillan Flow	0.50
25.	Rivera, Mariano		Tulsa Red Devels	0.50
26.	Adams, Mike	(dunroche)	Washington Racin' Rebels	0.50
27.	Gregerson, Luke	(bishop427)	Baltimore Bengals	0.50
28.	Uehara, Koji	(Dempsey245)	Bruges Carillon	0.51
29.	Kimbrel, Craig	(Jrobandsteal)	Pope Pius Pals	0.51
30.	Uehara, Koji	(kingstreet)	Singapore Slingers	0.52
31.	Kimbrel, Craig	(bbiel24)	Birchville Bulldogs	0.52
32.	McHugh, Collin		Appalachian Moonshiners	0.52
33.	Jansen, Kenley	(michelb3514)	Iowa Corn Pickers	0.52
34.	Adams, Mike	(dunroche)	New York Knights	0.52
35.	Adams, Mike	(redbird63)	Honolulu Punchers	0.52
36.	Gagne, Eric	(Sparky)	Cape Cod Steamers⚾	0.52
37.	Uehara, Koji	(michelb3514)	Iowa Corn Pickers	0.53
38.	Kimbrel, Craig	(gt049)	Fredricksburg Feds	0.53
39.	Davis, Wade	(chaaad)	Brooklyn Excelsiors	0.53
40.	Saito, Takashi	(WorcWarr)	Worcester Warriors	0.53
41.	Kimbrel, Craig	(gt049)	Fredricksburg Feds	0.53
42.	Kimbrel, Craig		Washington DC Democrats	0.53
43.	Kimbrel, Craig	(Ufgator)	James Island Swell	0.53
44.	Percival, Troy		Lake Jackson Jets	0.53
45.	Doolittle, Sean	(nycubsfan)	Jackson Heights Knights	0.53
46.	Gagne, Eric	(dynasty)	Weesles Ripped My Flesh	0.54
47.	Uehara, Koji	(deano9)	Windsor Kick Aces	0.54
48.	Doolittle, Sean	(nycubsfan)	American Pharoahs	0.54
49.	Street, Huston	(Gate-mouth)	Humbolt 💰⚾	0.54
50.	Patterson, Bob	(mckarcher)	Portland Bounty	0.54