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	(BaltimoreChop)	Vegas Raiders	0.33
3.	Jansen, Kenley	(SilverFox)	Lakeland Flying Tigers	0.34
4.	Miller, Andrew	(Trulaia)	Blythe Broncos	0.34
5.	Jansen, Kenley	(sgt714)	Boston Americans V	0.34
6.	Miller, Andrew	(Lapillus)	Baltimore Million Stars	0.35
7.	Jansen, Kenley	(jaredhamann)	Robertsville Rangers	0.35
8.	Jansen, Kenley	(Zigwiggity)	Scobey Sharks	0.37
9.	Robertson, David		Rockin' Robins	0.38
10.	Miller, Andrew	(ColinBoucher)	Alpha Bet City 🔤's	0.38
11.	Burns, Todd	(Mranastasia)	Cox Tuggers	0.39
12.	Allen, Cody	(htennis)	John Gibson For the Vezina	0.39
13.	Jones, Nate	(jaredhamann)	Los Angeles Sharks	0.39
14.	Jansen, Kenley	(Majestic44)	Salt lake Dragons	0.39
15.	Wilhelm, Hoyt		Havana Cienfuegos	0.39
16.	Miller, Andrew	(Barefootstomp)	Appalachian Moonshiners	0.40
17.	Britton, Zach	(marnez)	Sussex Sharks	0.41
18.	Feliz, Neftali	(sgt714)	Boston Americans III	0.41
19.	Chapman, Aroldis	(thakidcheng)	Minneapolis Millers	0.41
20.	Jansen, Kenley		Aliquippa Stars	0.42
21.	Miller, Andrew	(jamin)	Chester Springs Menjai	0.42
22.	Miller, Andrew	(ThEiRoNhOrSe04)	Kingsville Knights	0.42
23.	Miller, Andrew	(Zigwiggity)	Last Place	0.42
24.	Devenski, Chris	(MLBNation)	Towson Generals	0.42
25.	Jansen, Kenley	(kcmgm)	Twin Cities Twins	0.42
26.	Miller, Andrew	(jaredhamann)	Los Angeles Sharks	0.42
27.	Betancourt, Rafael	(lutzgoose)	Moose Jaw Claws	0.42
28.	Miller, Andrew	(screamNchicken)	Boston Bees	0.43
29.	Betances, Dellin	(smallballer)	GC Ironheads	0.43
30.	Britton, Zach	(skieff)	Hustons Mill YardHawks	0.43
31.	Hand, Brad		Bakersfield Guardians	0.44
32.	Boxberger, Brad	(LDJS1947)	NEW HAMBURG BOMBERS	0.44
33.	Miller, Andrew	(Larrnell17)	Tyranno Tigers	0.44
34.	Kimbrel, Craig	(Jonah)	Hampton Roads Neptunes	0.44
35.	Davis, Wade	(Trulaia)	Scranton Ducks	0.44
36.	Kimbrel, Craig	(Trulaia)	city players	0.44
37.	Thornburg, Tyler	(Dempsey245)	Adirondack Big Sticks	0.44
38.	Kelley, Shawn	(jbenson)	Iowa Southpaws	0.44
39.	Thornburg, Tyler	(tda81)	Portland Penguins	0.44
40.	Jansen, Kenley	(roguerouge)	caribe piratas	0.44
41.	Jansen, Kenley	(billybobbybilly)	Port Moresby Cannibals	0.44
42.	Chapman, Aroldis	(screamNchicken)	Boston Bees	0.44
43.	Adams, Mike	(dunroche)	Carolina Mad Ducks	0.45
44.	Allen, Cody	(Ufgator)	James Island Swell	0.45
45.	Kimbrel, Craig		Sarasota Sharks	0.45
46.	Albers, Matt	(slippedjames)	Uptown Tongue Punch	0.45
47.	Green, Chad	(real1Bfreak)	Portland Big Hawks	0.45
48.	Thornburg, Tyler	(Ufgator)	James Island Swell	0.45
49.	Devenski, Chris	(Bluejaysfan)	Southside Hitmen	0.45
50.	Jansen, Kenley	(noodles66)	Stark City Iron Men	0.45