George Kirby has the best career K/BB when starting >100 games, with 6.75 K/BB.

Interpreted as:

best k/bb by a player with over 100 games started

	NAME	K/BB	GS	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	George Kirby G. Kirby	6.75	103	103	41	31	.569	3.51	567	1	0	0	589.2	563	230	245	66	84	22	0	1	2,396	12	8.65	1.28	1.01	23.7	3.5	1.10	.300	3.74	91	3.24	82	8.59	48.6
2	Jacob deGrom J. deGrom	5.35	241	241	94	62	.603	2.55	1,809	4	2	0	1502.1	1,149	426	463	139	338	24	0	13	5,901	28	10.84	2.02	0.83	30.7	5.7	0.99	.281	2.77	65	2.67	65	6.88	238.3
3	Chris Sale C. Sale	5.26	307	387	143	87	.622	3.02	2,528	16	3	12	2047.2	1,668	686	739	209	481	126	25	15	8,249	47	11.11	2.11	0.92	30.6	5.8	1.05	.297	3.25	71	2.88	69	7.33	297.1
4	Tarik Skubal T. Skubal	5.22	126	129	52	34	.605	3.16	835	1	1	0	716.2	577	252	270	84	160	25	1	0	2,861	10	10.49	2.01	1.05	29.2	5.6	1.03	.281	3.39	77	3.12	75	7.25	79.6
5	Shane Bieber S. Bieber	5.10	134	136	62	32	.660	3.22	958	5	2	0	843.0	752	302	323	94	188	18	1	1	3,415	34	10.23	2.01	1.00	28.1	5.5	1.12	.305	3.45	76	3.08	73	8.03	108
6	Joe Ryan J. Ryan	5.01	106	107	44	31	.587	3.67	671	1	1	0	602.2	493	246	257	90	134	32	0	0	2,431	8	10.02	2.00	1.34	27.6	5.5	1.04	.268	3.84	90	3.70	90	7.36	27.7
7	Logan Gilbert L. Gilbert	4.85	137	137	43	34	.558	3.58	829	2	1	0	787.2	660	313	333	102	171	22	0	6	3,178	38	9.47	1.95	1.17	26.1	5.4	1.06	.272	3.80	92	3.48	87	7.54	44.9
8	Tommy Bond T. Bond	4.83	314	322	193	115	.627	2.25	860	294	35	0	2779.2	2,857	695	1,339	32	178		11		11,386	120	2.78	0.58	0.10	7.6	1.6	1.09	.274	4.34	89	2.38	95	9.25	32.3
9	Josh Tomlin J. Tomlin	4.81	150	286	69	56	.552	4.77	736	5	1	2	1067.0	1,160	566	602	197	153	25	55	16	4,453	28	6.21	1.29	1.66	16.5	3.4	1.23	.288	5.08	114	4.64	112	9.78	-57
10	Masahiro Tanaka M. Tanaka	4.76	173	174	78	46	.629	3.74	991	7	4	0	1054.1	983	438	476	159	208	26	0	1	4,299	32	8.46	1.78	1.36	23.1	4.8	1.13	.283	4.06	88	3.90	89	8.39	53.3
11	Corey Kluber C. Kluber	4.69	260	271	116	77	.601	3.44	1,725	18	8	1	1641.2	1,486	627	684	177	368	65	4	9	6,688	31	9.46	2.02	0.97	25.8	5.5	1.13	.301	3.75	83	3.22	78	8.15	161.7
12	Brandon Woodruff B. Woodruff	4.58	121	136	50	26	.658	3.06	833	2	1	1	715.2	552	243	252	82	182	30	4	1	2,856	8	10.48	2.29	1.03	29.2	6.4	1.03	.272	3.17	72	3.21	75	6.94	83.3
13	Max Scherzer M. Scherzer	4.51	466	475	217	114	.656	3.18	3,456	12	5	0	2925.0	2,387	1,032	1,105	345	767	114	2	20	11,818	79	10.63	2.36	1.06	29.2	6.5	1.08	.286	3.40	76	3.20	77	7.34	307.8
14	Gerrit Cole G. Cole	4.50	317	317	153	80	.657	3.18	2,251	8	5	0	1954.0	1,627	690	740	217	500	61	0	8	7,861	58	10.37	2.30	1.00	28.6	6.4	1.09	.292	3.41	79	3.16	77	7.49	213.5
15	Bailey Ober B. Ober	4.49	107	107	29	28	.509	4.01	566	2	0	0	574.1	519	256	266	96	126	20	0	0	2,342	4	8.87	1.97	1.50	24.2	5.4	1.12	.276	4.17	98	4.13	99	8.13	1.3
16	Kevin Slowey K. Slowey	4.46	106	137	43	36	.544	4.62	495	3	2	0	662.0	765	340	354	99	111	22	7	3	2,828	11	6.73	1.51	1.35	17.5	3.9	1.32	.317	4.81	112	4.15	102	10.40	-6.5
17	Curt Schilling C. Schilling	4.38	436	569	216	146	.597	3.46	3,116	83	20	22	3261.0	2,998	1,253	1,318	347	711	52	81	43	13,284	72	8.60	1.96	0.96	23.5	5.4	1.14	.293	3.64	80	3.22	76	8.27	373.6
18	Stephen Strasburg S. Strasburg	4.37	247	247	113	62	.646	3.24	1,723	2	2	0	1470.0	1,217	530	582	149	394	53	0	20	5,962	44	10.55	2.41	0.91	28.9	6.6	1.10	.293	3.56	80	3.01	75	7.45	165.9
19	Michael Pineda M. Pineda	4.37	180	181	64	61	.512	4.06	966	1	0	0	1008.2	990	455	488	144	221	24	0	4	4,189	37	8.62	1.97	1.28	23.1	5.3	1.20	.299	4.35	98	3.80	90	8.83	49
20	Chris Paddack C. Paddack	4.35	105	108	31	34	.477	4.49	505	0	0	0	544.2	539	272	291	86	116	14	0	2	2,281	11	8.34	1.92	1.42	22.1	5.1	1.20	.290	4.81	111	4.07	96	8.91	9.6
21	Clayton Kershaw C. Kershaw	4.32	443	446	218	96	.694	2.52	3,014	25	15	0	2814.1	2,162	787	864	233	697	46	1	28	11,112	107	9.64	2.23	0.75	27.1	6.3	1.02	.271	2.76	64	2.84	70	6.91	369.9
22	Noah Syndergaard N. Syndergaard	4.30	162	164	59	47	.557	3.71	928	4	2	0	941.1	910	388	420	100	216	33	0	9	3,904	26	8.87	2.07	0.96	23.8	5.5	1.20	.308	4.02	93	3.36	82	8.70	78
23	Aaron Nola A. Nola	4.19	277	277	105	86	.550	3.78	1,831	6	4	0	1671.0	1,482	701	739	210	437	55	0	16	6,855	18	9.86	2.35	1.13	26.7	6.4	1.15	.294	3.98	90	3.49	81	7.98	146
24	Zach Eflin Z. Eflin	4.17	188	200	68	67	.504	4.28	922	5	3	1	1073.2	1,106	511	550	162	221	32	5	14	4,501	14	7.73	1.85	1.36	20.5	4.9	1.24	.298	4.61	104	4.12	97	9.27	14.1
25	Pedro Martinez P. Martinez	4.15	409	476	219	100	.687	2.93	3,154	46	17	3	2827.1	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	68	7.07	454.6