6 teams are tied for the worst winning percentage with exactly 9 runs in a season, winning 0.0 percent of the time. The first three are the Miami Marlins in 2020 and in 1998, the Seattle Mariners in 2020 and the Tampa Bay Devil Rays in 1998.

	TEAM	W%	R	SEASON	W	L	G	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Marlins	.000	9	2020	0	1	1	38	13	3	1	2	9	4	0	7	0	0	43	24	6	0	1	0	1	.342	.395	.632	1.027
2	Mariners	.000	9	2020	0	1	1	40	13	0	0	4	8	2	0	8	1	0	42	25	4	0	0	0	0	.325	.357	.625	.982
3	Devil Rays	.000	9	1998	0	1	1	39	12	2	2	3	9	2	0	7	0	0	41	27	7	0	0	0	0	.308	.341	.692	1.034
4	Marlins	.000	18	1998	0	2	2	77	24	5	2	5	16	5	0	11	3	0	82	48	12	0	0	0	1	.312	.354	.623	.977
5	Rangers	.000	9	1994	0	1	1	41	13	3	1	0	9	4	0	7	3	1	45	18	4	0	0	0	1	.317	.378	.439	.817
6	Phillies	.000	9	1941	0	1	1	39	14	3	0	0	6	2	0	6	2	0	44	17	3	3			0	.359	.390	.436	.826
7	Athletics	.000	18	1919	0	2	2	80	28	3	1	2		13	0	14	3		94	39	6	1				.350	.441	.488	.928
8	Browns	.167	54	1950	1	5	6	226	73	10	2	10	51	36	0	32	2		263	117	22	1			8	.323	.416	.518	.934
9	Devil Rays	.250	36	2005	1	3	4	150	49	15	0	5	35	18	2	19	5	1	175	79	20	1	4	3	3	.327	.397	.527	.923
10	Padres	.250	36	2001	1	3	4	154	55	8	2	4	36	28	0	28	6	0	185	79	14	1	2	4	5	.357	.451	.513	.964
11	Giants	.250	36	1983	1	3	4	150	51	9	1	7	33	21	1	19	10	1	175	83	17	0	3	1	4	.340	.417	.553	.970
12	Phillies	.250	36	1956	1	3	4	157	55	8	1	6	33	18	0	14	1	2	176	83	15	0	1	1	3	.350	.415	.529	.943
13	Indians	.250	36	1950	1	3	4	152	44	3	3	5	34	28	1	20	0		182	68	11	1			6	.289	.403	.447	.851
14	Padres	.333	27	1991	1	2	3	119	36	3	2	5	24	8	2	17	2	1	130	58	10	1	0	1	2	.303	.357	.487	.844
15	Twins	.333	27	1985	1	2	3	115	38	8	1	7	27	7	0	18	2	0	124	69	16	0	2	0	0	.330	.363	.600	.963
16	Angels	.333	27	1972	1	2	3	120	48	2	1	2	26	9	2	24	3	2	132	58	5	0	1	1	3	.400	.447	.483	.930
17	Phillies	.333	27	1965	1	2	3	122	40	4	1	2	24	12	1	22	2	0	137	52	7	2	0	3	3	.328	.393	.426	.819
18	Senators	.333	27	1961	1	2	3	111	36	5	2	6	27	23	1	19	2	0	138	63	13	2	1	1	4	.324	.441	.568	1.009
19	Giants	.333	54	1958	2	4	6	251	79	12	2	14	50	25	2	41	4	0	282	137	28	3	1	1	4	.315	.380	.546	.926
20	Cubs	.333	27	1948	1	2	3	117	42	7	2	3	25	8	1	7	3		126	62	12	0			4	.359	.405	.530	.935
21	Athletics	.333	27	1942	1	2	3	118	40	8	0	1	25	11	0	9	1		130	51	9	1			0	.339	.395	.432	.828
22	Phillies	.333	27	1938	1	2	3	117	39	7	2	2	21	6	0	13	1		128	56	11	5				.333	.366	.479	.844
23	Reds	.333	27	1931	1	2	3	112	41	8	3	0	26	8	1	8	2		124	55	11	3				.366	.413	.491	.904
24	Cubs	.333	27	1927	1	2	3	109	41	7	3	1	24	9	0	8	0		129	57	11	11				.376	.424	.523	.947
25	Cubs	.333	27	1921	1	2	3	124	50	7	1	1	26	6	3	6	0		139	62	9	6				.403	.444	.500	.944