Jacob deGrom has the lowest career FIP-, with a FIP- of 66.

Interpreted as:

MLB fip - with a minimum of 1500 IP leaders all-time

	NAME	FIP-	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	H/9	PRAA
1	Jacob deGrom J. deGrom	66	1539.2	248	96	65	.596	248	2.57	1,851	4	2	0	1,173	440	477	146	345	25	0	13	6,045	30	10.82	2.02	5.37	0.85	30.6	5.7	0.99	.279	2.79	66	2.70	6.86	239.4
2	Pedro Martinez P. Martinez	68	2827.1	476	219	100	.687	409	2.93	3,154	46	17	3	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	7.07	454.6
3	Chris Sale C. Sale	68	2084.0	393	145	88	.622	312	3.01	2,579	16	3	12	1,692	697	750	213	487	130	25	15	8,389	48	11.14	2.10	5.30	0.92	30.7	5.8	1.05	.297	3.24	70	2.87	7.31	303.3
4	Clayton Kershaw C. Kershaw	70	2855.1	455	223	96	.699	451	2.53	3,052	25	15	0	2,193	804	881	235	713	46	1	28	11,279	108	9.62	2.25	4.28	0.74	27.1	6.3	1.02	.271	2.78	65	2.85	6.91	375.1
5	Roger Clemens R. Clemens	71	4916.2	709	354	184	.658	707	3.12	4,672	118	46	0	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	8.55	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	70	3.08	7.66	680.4
6	Rube Waddell R. Waddell	71	2961.1	407	193	143	.574	340	2.16	2,316	261	50	5	2,460	711	1,063	37	803	115	54		11,717	74	7.04	2.44	2.88	0.11	19.8	6.9	1.10	.287	3.23	75	2.03	7.48	262
7	Randy Johnson R. Johnson	73	4135.1	618	303	166	.646	603	3.29	4,875	100	37	2	3,346	1,513	1,703	411	1,497	190	7	37	17,067	109	10.61	3.26	3.26	0.89	28.6	8.8	1.17	.291	3.71	75	3.18	7.28	554.3
8	Sandy Koufax S. Koufax	75	2324.1	397	165	87	.655	314	2.76	2,396	137	40	9	1,754	713	806	204	817	18	44	48	9,497	87	9.28	3.16	2.93	0.79	25.2	8.6	1.11	.256	3.12	75	2.69	6.79	226.6
9	Walter Johnson W. Johnson	76	5914.1	802	417	279	.599	666	2.17	3,509	531	110	34	4,913	1,424	1,902	97	1,363	205	127		23,405	154	5.34	2.07	2.57	0.15	15.0	5.8	1.06	.264	2.89	68	2.42	7.48	472.8
10	Curt Schilling C. Schilling	76	3261.0	569	216	146	.597	436	3.46	3,116	83	20	22	2,998	1,253	1,318	347	711	52	81	43	13,284	72	8.60	1.96	4.38	0.96	23.5	5.4	1.14	.293	3.64	80	3.22	8.27	373.6
11	Lefty Grove L. Grove	76	3940.2	616	300	141	.680	457	3.06	2,266	298	35	54	3,849	1,339	1,594	162	1,187	42	123		16,622	51	5.18	2.71	1.91	0.37	13.6	7.1	1.28	.284	3.64	68	3.36	8.79	462.8
12	Christy Mathewson C. Mathewson	76	4788.2	636	373	188	.665	552	2.13	2,507	435	79	30	4,219	1,135	1,620	89	848	59	73		18,913	115	4.71	1.59	2.96	0.17	13.3	4.5	1.06	.268	3.04	75	2.26	7.93	363
13	Gerrit Cole G. Cole	77	1954.0	317	153	80	.657	317	3.18	2,251	8	5	0	1,627	690	740	217	500	61	0	8	7,861	58	10.37	2.30	4.50	1.00	28.6	6.4	1.09	.292	3.41	79	3.16	7.49	213.5
14	Noodles Hahn N. Hahn	77	2029.1	243	130	94	.580	231	2.55	917	212	25	0	1,916	574	821	27	381	52	11		8,126	28	4.07	1.69	2.41	0.12	11.3	4.7	1.13	.280	3.64	75	2.65	8.50	181.2
15	Roy Halladay R. Halladay	77	2749.1	416	203	105	.659	390	3.38	2,117	67	20	1	2,646	1,034	1,135	236	592	81	6	28	11,287	56	6.93	1.94	3.58	0.77	18.8	5.2	1.18	.292	3.72	77	3.39	8.66	296
16	Max Scherzer M. Scherzer	78	2963.0	483	220	117	.653	474	3.22	3,489	12	5	0	2,433	1,059	1,132	354	779	114	2	20	11,987	80	10.60	2.37	4.48	1.08	29.1	6.5	1.08	.287	3.44	77	3.23	7.39	302.5
17	Greg Maddux G. Maddux	78	5008.1	744	355	227	.610	740	3.16	3,371	109	35	0	4,726	1,756	1,981	353	999	137	3	177	20,421	70	6.06	1.80	3.37	0.63	16.5	4.9	1.14	.281	3.56	76	3.25	8.49	519.5
18	Roy Oswalt R. Oswalt	78	2245.1	365	163	102	.615	341	3.36	1,852	20	8	0	2,199	838	897	197	520	80	7	34	9,301	30	7.42	2.08	3.56	0.79	19.9	5.6	1.21	.301	3.60	79	3.36	8.81	236.2
19	Toad Ramsey T. Ramsey	78	2100.2	248	113	124	.477	241	3.29	1,515	225	5	0	1,941	769	1,373	40	671	38	7		9,018	179	6.49	2.87	2.26	0.17	16.8	7.4	1.24	.282	5.88	88	2.85	8.32	192.8
20	Kevin Brown K. Brown	78	3256.1	486	211	144	.594	476	3.28	2,397	72	17	0	3,079	1,185	1,357	208	901	139	1	42	13,542	108	6.62	2.49	2.66	0.57	17.7	6.7	1.22	.290	3.75	78	3.32	8.51	344.2
21	Corey Kluber C. Kluber	78	1641.2	271	116	77	.601	260	3.44	1,725	18	8	1	1,486	627	684	177	368	65	4	9	6,688	31	9.46	2.02	4.69	0.97	25.8	5.5	1.13	.301	3.75	83	3.22	8.15	161.7
22	John Smoltz J. Smoltz	78	3473.0	723	213	155	.579	481	3.33	3,084	53	16	154	3,074	1,284	1,391	288	1,010	57	204	84	14,271	145	7.99	2.62	3.05	0.75	21.6	7.1	1.18	.283	3.60	81	3.23	7.97	356.6
23	Dizzy Dean D. Dean	78	1967.1	317	150	83	.644	230	3.02	1,163	154	26	31	1,919	661	774	95	453	27	77		8,171	12	5.32	2.07	2.57	0.43	14.2	5.5	1.21	.284	3.54	77	3.22	8.78	190.8
24	Dazzy Vance D. Vance	79	2966.2	442	197	140	.585	349	3.24	2,045	217	29	12	2,809	1,068	1,246	132	840	77	52		12,366	37	6.20	2.55	2.43	0.40	16.5	6.8	1.23	.289	3.78	81	3.18	8.52	288.3
25	Cy Young C. Young	79	7356.0	906	511	316	.618	815	2.63	2,803	749	76	17	7,092	2,147	3,167	138	1,217	161	84		29,565	156	3.43	1.49	2.30	0.17	9.5	4.1	1.13	.275	3.87	74	2.84	8.68	620