19 pitchers were tied for giving up the fewest walks by a starting pitcher in 2020, with 0 allowed. The first three are Victor González, T.J. Zeuch and Caleb Baragar.

	NAME	BB	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Victor González V. González	0	2020	LAD	1	0	0		1	0.00	1	0	0	0	1.0	1	0	0	0	0	0	0	4	0	9.00	0.00		0.00	25.0	0.0	1.00	.333	0.00	9.00
2	T.J. Zeuch	0	2020	TOR	1	0	0		1	0.00	0	0	0	0	5.0	5	0	0	0	0	0	0	20	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	9.00
3	Caleb Baragar C. Baragar	0	2020	SFG	1	0	0		1	0.00	0	0	0	0	1.0	1	0	0	0	0	0	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	9.00
4	Paolo Espino P. Espino	0	2020	WSH	1	0	0		1	6.75	4	0	0	0	4.0	7	3	3	1	0	0	0	18	0	9.00	0.00		2.25	22.2	0.0	1.75	.462	6.75	15.75
5	Jose Quintana J. Quintana	0	2020	CHC	1	0	0		1	4.50	1	0	0	0	2.0	2	1	1	0	0	0	0	8	1	4.50	0.00		0.00	12.5	0.0	1.00	.286	4.50	9.00
6	David Hale D. Hale	0	2020	PHI	2	0	0		2	4.15	2	0	0	0	4.1	5	2	2	1	0	0	0	18	0	4.15	0.00		2.08	11.1	0.0	1.15	.267	4.15	10.38
7	Nick Goody N. Goody	0	2020	TEX	1	0	0		1	0.00	1	0	0	0	1.0	0	0	0	0	0	0	0	3	0	9.00	0.00		0.00	33.3	0.0	0.00	.000	0.00	0.00
8	Blake Parker B. Parker	0	2020	PHI	1	0	0		1	0.00	3	0	0	0	2.0	0	0	0	0	0	0	0	6	0	13.50	0.00		0.00	50.0	0.0	0.00	.000	0.00	0.00
9	Dillon Peters D. Peters	0	2020	LAA	1	0	0		1	16.20	2	0	0	0	1.2	3	3	4	2	0	0	0	9	0	10.80	0.00		10.80	22.2	0.0	1.80	.200	21.60	16.20
10	Ariel Jurado A. Jurado	0	2020	NYM	1	0	0		1	11.25	2	0	0	0	4.0	9	5	5	1	0	0	0	21	0	4.50	0.00		2.25	9.5	0.0	2.25	.444	11.25	20.25
11	Michel Baez M. Baez	0	2020	SDP	1	0	0		1	3.86	3	0	0	0	2.1	4	1	1	0	0	0	0	11	0	11.57	0.00		0.00	27.3	0.0	1.71	.500	3.86	15.43
12	Caleb Ferguson C. Ferguson	0	2020	LAD	1	0	0		1	0.00	0	0	0	0	1.0	0	0	0	0	0	0	0	3	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0.00
13	Aaron Slegers A. Slegers	0	2020	TBR	1	0	0		1	0.00	5	0	0	0	4.0	0	0	0	0	0	0	0	13	0	11.25	0.00		0.00	38.5	0.0	0.00	.000	0.00	0.00
14	Corey Oswalt C. Oswalt	0	2020	NYM	1	0	0		1	4.15	4	0	0	0	4.1	5	2	2	0	1	0	0	18	0	8.31	0.00		0.00	22.2	0.0	1.15	.385	4.15	10.38
15	Jake Woodford J. Woodford	0	2020	STL	1	0	0		1	3.00	3	0	0	0	3.0	1	1	1	1	0	0	0	10	0	9.00	0.00		3.00	30.0	0.0	0.33	.000	3.00	3.00
16	Andrew Kittredge A. Kittredge	0	2020	TBR	1	0	0		1	0.00	0	0	0	0	0.1	1	0	0	0	0	0	0	2	0	0.00	0.00		0.00	0.0	0.0	3.00	.500	0.00	27.00
17	Ryan Thompson R. Thompson	0	2020	TBR	1	0	0		1	0.00	1	0	0	0	2.0	1	0	0	0	0	0	0	7	0	4.50	0.00		0.00	14.3	0.0	0.50	.167	0.00	4.50
18	Tyler Clippard T. Clippard	0	2020	MIN	2	0	0		2	3.00	3	0	0	0	3.0	1	1	1	1	0	0	0	10	0	9.00	0.00		3.00	30.0	0.0	0.33	.000	3.00	3.00
19	Mike Montgomery M. Montgomery	0	2020	KCR	1	0	0		1	13.50	1	0	0	0	2.0	5	3	5	1	0	0	0	12	0	4.50	0.00		4.50	8.3	0.0	2.50	.400	22.50	22.50
20	Wes Benjamin W. Benjamin	1	2020	TEX	1	0	0		1	5.40	3	0	0	0	5.0	7	3	3	1	0	0	0	23	0	5.40	1.80	3.00	1.80	13.0	4.3	1.60	.333	5.40	12.60
21	Joe Kelly J. Kelly	1	2020	LAD	1	0	0		1	18.00	1	0	0	0	1.0	2	2	3	0	0	0	0	6	0	9.00	9.00	1.00	0.00	16.7	16.7	3.00	.500	27.00	18.00
22	Bruce Zimmermann B. Zimmermann	1	2020	BAL	1	0	0		1	15.00	2	0	0	0	3.0	4	5	5	2	2	0	0	15	0	6.00	3.00	2.00	6.00	13.3	6.7	1.67	.250	15.00	12.00
23	Cole Hamels C. Hamels	1	2020	ATL	1	0	1	.000	1	8.10	2	0	0	0	3.1	3	3	3	0	0	0	0	14	0	5.40	2.70	2.00	0.00	14.3	7.1	1.20	.273	8.10	8.10
24	Pete Fairbanks P. Fairbanks	1	2020	TBR	2	0	0		2	0.00	4	0	0	0	2.2	1	0	0	0	0	0	0	9	0	13.50	3.38	4.00	0.00	44.4	11.1	0.75	.250	0.00	3.38
25	Brusdar Graterol B. Graterol	1	2020	LAD	2	0	0		2	3.86	4	0	0	0	2.1	2	1	1	0	0	0	0	9	0	15.43	3.86	4.00	0.00	44.4	11.1	1.29	.500	3.86	7.71