41 pitchers were tied for allowing the fewest runs in 2023, with 0 runs. The first three are Alex Claudio, Brandon Crawford and Brandon Dixon.

Interpreted as:

lowest run support per start by a player in 2023

	NAME	R	GS	SEASON	TM	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Alex Claudio A. Claudio	0	0	2023	MIL	1	0	0		0.00	0	0	0	0	0.1	2	0	0	0	0	0	0	3	0	0.00	0.00		0.00	0.0	0.0	6.00	.667	0.00	0	3.25	74	54.00	0
2	Brandon Crawford B. Crawford	0	0	2023	SFG	1	0	0		0.00	0	0	0	0	1.0	1	0	0	1	0	1	0	5	0	0.00	9.00	0.00	0.00	0.0	20.0	2.00	.250	0.00	0	6.25	149	9.00	-0.2
3	Brandon Dixon B. Dixon	0	0	2023	SDP	1	0	0		0.00	0	0	0	0	1.0	0	0	0	0	0	1	0	3	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0	3.25	75	0.00	0.1
4	Josh Donaldson J. Donaldson	0	0	2023	TOT	1	0	0		0.00	0	0	0	0	1.0	0	0	0	0	0	1	0	3	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0	3.25	74	0.00	0.1
5	Shane Greene S. Greene	0	0	2023	CHC	2	0	0		0.00	3	0	0	0	3.0	2	0	0	2	0	2	0	12	0	9.00	6.00	1.50	0.00	25.0	16.7	1.33	.286	0.00	0	3.25	76	6.00	0.4
6	Luis Guillorme L. Guillorme	0	0	2023	NYM	1	0	0		0.00	0	0	0	0	1.0	1	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	0	3.25	75	9.00	0.1
7	Heath Hembree H. Hembree	0	0	2023	TBR	1	0	0		0.00	2	0	0	0	1.1	0	0	0	1	0	0	0	4	0	13.50	6.75	2.00	0.00	50.0	25.0	0.75	.000	0.00	0	2.50	60	0.00	0.3
8	Daniel Hudson D. Hudson	0	0	2023	LAD	3	0	0		0.00	5	0	0	1	3.0	2	0	0	3	0	1	0	14	0	15.00	9.00	1.67	0.00	35.7	21.4	1.67	.333	0.00	0	2.92	65	6.00	0.5
9	Adam Kolarek A. Kolarek	0	0	2023	TOT	5	0	0		0.00	7	0	0	0	6.0	2	0	0	1	1	0	0	22	0	10.50	1.50	7.00	0.00	31.8	4.5	0.50	.154	0.00	0	1.92	44	3.00	1.6
10	Jake Lamb J. Lamb	0	0	2023	LAA	1	0	0		0.00	0	0	0	0	1.0	1	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	0	3.25	74	9.00	0.1
11	Jacob Latz J. Latz	0	0	2023	TEX	3	0	0		0.00	5	0	0	0	6.1	1	0	0	3	0	2	0	22	0	7.11	4.26	1.67	0.00	22.7	13.6	0.63	.071	0.00	0	3.09	71	1.42	0.9
12	Josh Lester J. Lester	0	0	2023	BAL	1	0	0		0.00	1	0	0	0	1.0	1	0	0	1	0	1	0	5	0	9.00	9.00	1.00	0.00	20.0	20.0	2.00	.333	0.00	0	4.25	101	9.00	0
13	James McCann J. McCann	0	0	2023	BAL	1	0	0		0.00	0	0	0	0	1.0	2	0	0	0	0	1	0	5	0	0.00	0.00		0.00	0.0	0.0	2.00	.400	0.00	0	3.25	77	18.00	0.1
14	Frankie Montas Jr. F. Montas Jr.	0	0	2023	NYY	1	1	0	1.000	0.00	1	0	0	0	1.1	2	0	0	1	0	0	0	7	0	6.75	6.75	1.00	0.00	14.3	14.3	2.25	.400	0.00	0	4.00	91	13.50	0.1
15	Chris Owings C. Owings	0	0	2023	PIT	1	0	0		0.00	0	0	0	0	1.0	2	0	0	0	0	1	0	6	0	0.00	0.00		0.00	0.0	0.0	2.00	.333	0.00	0	3.25	74	18.00	0.1
16	Brett Phillips B. Phillips	0	0	2023	LAA	1	0	0		0.00	0	0	0	0	0.1	1	0	0	1	0	1	0	3	0	0.00	27.00	0.00	0.00	0.0	33.3	6.00	.500	0.00	0	12.25	278	27.00	-0.3
17	Ryder Ryan R. Ryan	0	0	2023	SEA	1	0	0		0.00	2	0	0	0	1.0	0	0	0	1	0	0	0	4	0	18.00	9.00	2.00	0.00	50.0	25.0	1.00	.000	0.00	0	2.25	55	0.00	0.2
18	Jonathan Schoop J. Schoop	0	0	2023	DET	1	0	0		0.00	1	0	0	0	1.1	1	0	0	0	0	1	0	5	0	6.75	0.00		0.00	20.0	0.0	0.75	.250	0.00	0	1.75	41	6.75	0.4
19	Rowdy Tellez R. Tellez	0	0	2023	MIL	1	0	0		0.00	1	0	0	0	1.0	1	0	0	0	0	1	0	4	0	9.00	0.00		0.00	25.0	0.0	1.00	.333	0.00	0	1.25	28	9.00	0.3
20	Tanner Rainey T. Rainey	0	0	2023	WSH	1	0	0		0.00	1	0	0	0	1.0	1	0	0	1	0	1	0	5	1	9.00	9.00	1.00	0.00	20.0	20.0	2.00	.333	0.00	0	4.25	96	9.00	0
21	Luke Williams L. Williams	0	0	2023	TOT	1	0	0		0.00	0	0	0	0	1.0	0	0	0	0	0	1	0	3	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0	3.25	73	0.00	0.1
22	Jose Espada J. Espada	0	0	2023	SDP	1	0	0		0.00	2	0	0	0	1.0	0	0	0	2	0	1	0	5	0	18.00	18.00	1.00	0.00	40.0	40.0	2.00	.000	0.00	0	5.25	121	0.00	-0.1
23	Tyler Cyr T. Cyr	0	0	2023	LAD	2	0	0		0.00	2	0	0	0	1.2	1	0	0	0	0	2	0	6	0	10.80	0.00		0.00	33.3	0.0	0.60	.250	0.00	0	0.85	19	5.40	0.7
24	Seby Zavala S. Zavala	0	0	2023	TOT	1	0	0		0.00	0	0	0	0	0.2	0	0	0	0	0	1	0	2	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0	3.25	77	0.00	0.1
25	Easton McGee E. McGee	0	1	2023	SEA	1	0	0		0.00	2	0	0	0	6.2	1	0	0	1	0	0	0	22	0	2.70	1.35	2.00	0.00	9.1	4.5	0.30	.053	0.00	0	3.10	75	1.35	0.8