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.	Jansen, Kenley	(gibblets1973)	C.B.S. Sailors	0.32
2.	Osuna, Roberto	(tribetime89)	Vegas Raiders	0.33
3.	Jansen, Kenley	(SilverFox)	Lakeland Flying Tigers	0.34
4.	Jansen, Kenley	(sgt714)	Boston Americans V	0.34
5.	Miller, Andrew	(Lapillus)	Baltimore Million Stars	0.35
6.	Jansen, Kenley	(jaredhamann)	Robertsville Rangers	0.35
7.	Jansen, Kenley	(Zigwiggity)	Scobey Sharks	0.37
8.	Robertson, David	(SyndicateLG)	Rockin' Robins	0.38
9.	Burns, Todd	(Mranastasia)	Cox Tuggers	0.39
10.	Allen, Cody	(htennis)	John Gibson For the Vezina	0.39
11.	Jones, Nate	(willk613)	Los Angeles Sharks	0.39
12.	Wilhelm, Hoyt	(chasherm)	Fort Atkinson Blackhawks	0.39
13.	Miller, Andrew	(Barefootstomp)	Appalachian Moonshiners	0.40
14.	Britton, Zach	(marnez)	Sussex Sharks	0.41
15.	Chapman, Aroldis	(MLBNation)	Minneapolis Millers	0.41
16.	Jansen, Kenley	(boogieman)	Midwest Generals	0.42
17.	Miller, Andrew	(jamin)	Chester Springs Menjai	0.42
18.	Jansen, Kenley	(Demetri1377)	Twin Cities Twins	0.42
19.	Miller, Andrew	(willk613)	Los Angeles Sharks	0.42
20.	Betancourt, Rafael	(patrickm)	Moose Jaw Claws	0.42
21.	Miller, Andrew	(screamNchicken)	Boston Bees	0.43
22.	Betances, Dellin	(Fivestaroutcast)	GC Ironheads	0.43
23.	Britton, Zach	(skieff)	Hustons Mill YardHawks	0.43
24.	Hand, Brad	(cuey82)	Harrisburg Lookouts	0.44
25.	Boxberger, Brad	(richgibson)	Asbury Park LUMPEN PROLS	0.44
26.	Miller, Andrew	(teada2190)	Tyranno Tigers	0.44
27.	Kimbrel, Craig	(chicagocubs1999)	Hampton Roads Neptunes	0.44
28.	Kimbrel, Craig	(Trulaia)	city players	0.44
29.	Thornburg, Tyler	(Dempsey245)	Rawlings Gold Gloves	0.44
30.	Kelley, Shawn	(KZStylesRBX)	New York Yankees	0.44
31.	Thornburg, Tyler	(mattholland1975)	Arlington Athletics	0.44
32.	Jansen, Kenley	(roguerouge)	caribe piratas	0.44
33.	Jansen, Kenley	(Kruppe)	Ridout Street Renegades	0.44
34.	Chapman, Aroldis	(screamNchicken)	Boston Bees	0.44
35.	Adams, Mike	(dunroche)	Carolina Mad Ducks	0.45
36.	Allen, Cody	(Ufgator)	James Island Swell	0.45
37.	Kimbrel, Craig		Sarasota Sharks	0.45
38.	Albers, Matt	(slippedjames)	Uptown Tongue Punch	0.45
39.	Green, Chad	(saeval)	Portland Pythons	0.45
40.	Thornburg, Tyler	(Ufgator)	James Island Swell	0.45
41.	Devenski, Chris		Southside Hitmen	0.45
42.	Jansen, Kenley		Arizona Dimondbacks	0.45
43.	Saito, Takashi	(Sugarland)	Chicago Colts	0.45
44.	Thornburg, Tyler	(doittoitlars)	Island Coast Gators	0.45
45.	Benitez, Armando	(russellmaniac)	Houston Aviators	0.46
46.	Jansen, Kenley	(sheikyerboudi)	Giraffe Loogies	0.46
47.	Jansen, Kenley	(roguerouge)	Gary-Southshore Railcats	0.46
48.	Wilhelm, Hoyt	(griz1962)	Rootie Kazooties	0.46
49.	Jansen, Kenley	(tgoert)	Twin Cities Twins	0.46
50.	Diaz, Edwin	(roguerouge)	Gary-Southshore Railcats	0.46