Player stats

Home Runs per 9 Innings 2018

Home runs allowed per nine innings pitched.

Season

Minimum workload: one inning pitched per game. Completed seasons use the league's scheduled regular-season game count; seasons in progress use team games played. This is a general pitching minimum, not a relief-pitcher qualification rule. Data through December 31, 2018. Data refreshed Sep 12, 2026, 7:39 AM UTC.

No. 1 / Home Runs per 9 Innings / 2018

Jacob deGrom

NYM

0.41

Season leader, lower is better

Home Runs per 9 Innings2018 season, lower is better
#	Player	Team	IP	BF	HR/9
1	J. deGromJacob deGrom	NYM	217.0	835	0.41
2	T. BauerTrevor Bauer	CLE	175.1	717	0.46
3	P. CorbinPatrick Corbin	AZ	200.0	800	0.68
4	Z. WheelerZack Wheeler	NYM	182.1	744	0.69
5	M. MikolasMiles Mikolas	STL	200.2	808	0.72
6	A. NolaAaron Nola	PHI	212.1	831	0.72
7	K. FreelandKyle Freeland	COL	202.1	844	0.76
8	T. WilliamsTrevor Williams	PIT	170.2	701	0.79
9	D. KeuchelDallas Keuchel	HOU	204.2	874	0.79
10	B. SnellBlake Snell	TB	180.2	700	0.80
11	Z. GodleyZack Godley	AZ	178.1	791	0.81
12	M. FoltynewiczMike Foltynewicz	ATL	183.0	744	0.84
13	J. ChacínJhoulys Chacín	MIL	192.2	796	0.84
14	G. ColeGerrit Cole	HOU	200.1	799	0.85
15	L. SeverinoLuis Severino	NYY	191.1	780	0.89
16	G. GonzalezGio Gonzalez	MIL	171.0	746	0.89
17	M. GonzalesMarco Gonzales	SEA	166.2	686	0.92
18	M. ScherzerMax Scherzer	WSH	220.2	866	0.94
19	J. TaillonJameson Taillon	PIT	191.0	785	0.94
20	M. ClevingerMike Clevinger	CLE	200.0	810	0.95
21	C. MortonCharlie Morton	HOU	167.0	695	0.97
22	J. UreñaJosé Ureña	MIA	174.0	712	0.98
23	C. CarrascoCarlos Carrasco	CLE	192.0	784	0.98
24	S. NewcombSean Newcomb	ATL	164.0	696	0.99
25	K. HendricksKyle Hendricks	CHC	199.0	812	0.99
26	D. HollandDerek Holland	SF	171.1	727	1.00
27	C. KluberCorey Kluber	CLE	215.0	842	1.05
28	K. GibsonKyle Gibson	MIN	196.2	826	1.05
29	J. ArrietaJake Arrieta	PHI	172.2	724	1.09
30	J. OdorizziJake Odorizzi	MIN	164.1	711	1.10
31	G. MárquezGermán Márquez	COL	196.0	817	1.10
32	M. LeakeMike Leake	SEA	185.2	784	1.11
33	J. BerríosJosé Berríos	MIN	192.1	797	1.17
34	J. VerlanderJustin Verlander	HOU	214.0	833	1.18
35	J. LesterJon Lester	CHC	181.2	761	1.19
36	R. LópezReynaldo López	CWS	188.2	799	1.19
37	T. RoarkTanner Roark	WSH	180.1	760	1.20
38	Z. GreinkeZack Greinke	AZ	207.2	839	1.21
39	R. PorcelloRick Porcello	BOS	191.1	808	1.27
40	K. GausmanKevin Gausman	ATL	183.2	776	1.27
41	D. PriceDavid Price	BOS	176.0	722	1.28
42	J. QuintanaJose Quintana	CHC	174.1	739	1.29
43	N. PivettaNick Pivetta	PHI	164.0	694	1.32
44	J. TeheranJulio Teheran	ATL	175.2	724	1.33
45	W. LeBlancWade LeBlanc	SEA	162.0	662	1.33
46	A. HeaneyAndrew Heaney	LAA	180.0	749	1.35
47	J. HappJ.A. Happ	NYY	177.2	733	1.37
48	C. HamelsCole Hamels	CHC	190.2	806	1.37
49	L. GiolitoLucas Giolito	CWS	173.1	775	1.40
50	J. GrayJon Gray	COL	172.1	743	1.41

HR/9: Home runs allowed per nine innings pitched.

Understanding Home Runs per 9 Innings

Home runs allowed per nine innings pitched.

Formula: 27 × HR ÷ outs recorded

Read rates alongside playing time. A small sample can produce an extreme result, and a missing value is different from zero.

Season rankings use regular-season records. A player has one combined row across teams; the team label identifies the associated team, not a separate team stint.

Source: MLB statistics and MLBDB derived measures. Formulas describe the measure above. Data refreshed Sep 12, 2026, 7:39 AM UTC.