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

Single-Season Leaders (H/9)

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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	1.7
2.	McHugh, Collin	(filler)	Appalachian Moonshiners	2.2
3.	Edwards, Carl	(dynasty)	New York Mets	2.3
4.	Street, Huston		Durango Devils 😈	2.3
5.	Marmol, Carlos	(plpl512)	Portland Beavers	2.3
6.	Hader, Josh	(SMC)	Oshkosh SMC	2.4
7.	Saucier, Kevin		Gotham Dark Knights	2.4
8.	Boxberger, Brad	(sytsmab)	Asbury Park LUMPEN PROLS	2.4
9.	Kimbrel, Craig	(rfb60609)	Wormsleyburg Warriors	2.4
10.	Kimbrel, Craig	(Jrobandsteal)	Pope Pius Pals	2.5
11.	Valverde, Jose		Batting Gloves	2.5
12.	Gagne, Eric	(dynasty)	Scottsdale Suns	2.6
13.	Hader, Josh	(super)	Fargo Freeze	2.6
14.	Wagner, Billy	(tbone34)	Texas Tomahawks	2.6
15.	Papelbon, Jonathan	(kingstreet)	Singapore Slingers	2.6
16.	Feliz, Neftali	(dunroche)	Washington Angry Ducks	2.6
17.	Street, Huston	(dynasty)	Schenectady Southpaws	2.6
18.	Marmol, Carlos	(revh)	Beuhlah Land Bunyans	2.6
19.	Papelbon, Jonathan	(chaaad)	New York Black Yankees	2.6
20.	Adams, Mike	(dunroche)	Carolina Mad Ducks	2.6
21.	Kuo, Hong-Chih	(dunroche)	Nashville Sounds	2.6
22.	Wagner, Billy	(nycubsfan)	Goshen Gorillas	2.7
23.	Street, Huston	(dunroche)	South Texas Killer Bees	2.7
24.	Chapman, Aroldis	(Sugarland)	Chicago Colts	2.6
25.	Soriano, Rafael	(sheikyerboudi)	Hawaii Five 0's	2.7
26.	Nen, Robb	(Jrobandsteal)	Pope Pius Pals	2.7
27.	Street, Huston	(cjay1444)	Allentown Dogs	2.7
28.	Percival, Troy	(michelb3514)	Iowa Corn Pickers	2.6
29.	Adams, Mike	(dynasty)	Singapore Slingers	2.7
30.	Segui, Diego	(bigjoe52)	Brooklyn Superbas	2.7
31.	Edwards, Carl	(Deebs23)	Cincinnati Bow Ties	2.7
32.	Dotel, Octavio	(masimo29)	Boston Bees	2.7
33.	Kuo, Hong-Chih	(trovato87)	Staten Island Ferries	2.7
34.	Balfour, Grant		Way Down Yonder Chatahoochies	2.7
35.	Wagner, Billy	(Sidneypointers)	Murdock Miners	2.7
36.	Doolittle, Sean	(Ref)	Delaware Gators	2.7
37.	Kimbrel, Craig	(gt049)	Fredricksburg Feds	2.7
38.	Doolittle, Sean	(jamin)	Chester Springs Menjai	2.7
39.	Feliz, Neftali	(PalinJames)	Norman Sooners	2.7
40.	Hader, Josh	(chaaad)	New York Cubans	2.7
41.	Betances, Dellin	(bronxbomber)	Appalachian Trail Blazers	2.7
42.	Feliz, Neftali	(Sdwriter)	South Dakota Storm	2.8
43.	Green, Chad	(ryanek11)	Donkey Hodey	2.7
44.	Balfour, Grant		SAN DIEGO ROUGHNECKS	2.8
45.	Kimbrel, Craig		Tijuana Chupacabras⚾	2.8
46.	Nen, Robb		RIC Wonderboys	2.8
47.	Balfour, Grant	(michelb3514)	Iowa Corn Pickers	2.8
48.	Miller, Andrew	(Heartdoc)	Alinor High elves	2.8
49.	Betances, Dellin	(chaaad)	New York Black Yankees	2.8
50.	Treinen, Blake		Toledo Mighty Hens	2.8