Reese McGuire had the lowest OPS with 33+ at-bats in 2020, with an OPS of .220 in his rookie season.

	NAME	OPS	AB	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	WRC	WRAA	WOBA	WRC+	BRAA
1	Reese McGuire R. McGuire	.220	41	2020	TOR	19	2	3	0	0	1	1	0	0	11	0	0	45	6	1	4	0	0	1	.073	.073	.146	-3	-8.7	.091	-59	-8.8
2	Francisco Mejía F. Mejía	.322	39	2020	SDP	17	5	3	1	0	1	2	1	2	9	0	0	42	7	2	0	0	0	1	.077	.143	.179	-1	-6.1	.149	-10	-5.9
3	Chris Davis C. Davis	.337	52	2020	BAL	16	3	6	3	0	0	1	3	0	17	0	0	55	9	3	0	0	0	0	.115	.164	.173	-1	-7.7	.154	-14	-7.7
4	Joseph Odom J. Odom	.338	39	2020	SEA	18	2	5	0	0	0	2	4	0	20	0	0	44	5	0	1	0	0	1	.128	.209	.128	0	-5.6	.168	3	-5.3
5	Mallex Smith M. Smith	.348	45	2020	SEA	14	2	6	2	0	0	3	2	0	13	2	0	47	8	2	0	0	0	1	.133	.170	.178	-1	-6.4	.158	-4	-6
6	Óscar Mercado Ó. Mercado	.348	86	2020	CLE	36	6	11	1	0	1	6	5	0	27	3	0	93	15	2	1	1	0	0	.128	.174	.174	-1	-12.6	.159	-8	-12.4
7	Tzu-Wei Lin T. Lin	.355	52	2020	BOS	26	2	8	1	0	0	3	2	0	17	0	0	57	9	1	2	1	0	1	.154	.182	.173	-1	-7.7	.160	-13	-8
8	Brandon Drury B. Drury	.358	46	2020	TOR	21	3	7	1	0	0	1	2	0	9	0	0	49	8	1	0	1	0	0	.152	.184	.174	0	-6.5	.162	-10	-6.7
9	Drew Butera D. Butera	.396	39	2020	COL	28	4	6	2	0	0	4	2	0	11	0	0	43	8	2	1	1	0	3	.154	.190	.205	0	-5.2	.176	-10	-6.1
10	JT Riddle	.398	67	2020	PIT	23	8	10	2	0	1	1	2	0	13	1	0	69	15	3	0	0	0	0	.149	.174	.224	0	-8.5	.174	2	-8.6
11	Jose Barrero J. Barrero	.400	67	2020	CIN	24	4	13	0	0	0	2	1	0	26	1	1	68	13	0	0	0	0	1	.194	.206	.194	0	-8.1	.179	-1	-8.7
12	Lewin Diaz L. Diaz	.400	39	2020	MIA	14	2	6	2	0	0	3	2	0	12	0	0	41	8	2	0	0	0	2	.154	.195	.205	0	-4.8	.181	9	-4.8
13	Hunter Pence H. Pence	.411	52	2020	SFG	17	4	5	0	1	2	6	3	1	15	0	0	56	13	3	0	0	0	3	.096	.161	.250	0	-6.6	.180	8	-6.6
14	Jarrod Dyson J. Dyson	.411	61	2020	TOT	32	9	11	0	0	0	5	4	0	11	6	0	66	11	0	1	0	0	0	.180	.231	.180	1	-7	.192	15	-7.1
15	John Ryan Murphy J. Ryan Murphy	.433	58	2020	PIT	25	6	10	2	0	0	2	4	0	28	0	0	63	12	2	1	0	0	1	.172	.226	.207	1	-6.4	.199	18	-6.6
16	Josh Rojas J. Rojas	.437	61	2020	ARI	17	9	11	0	0	0	2	7	0	16	1	1	70	11	0	0	2	0	1	.180	.257	.180	2	-6.6	.209	24	-6.8
17	Andrew Benintendi A. Benintendi	.442	39	2020	BOS	14	4	4	1	0	0	1	11	1	17	1	2	52	5	1	1	0	0	1	.103	.314	.128	3	-3.4	.241	42	-3.7
18	Logan Forsythe L. Forsythe	.446	34	2020	MIA	12	2	4	1	0	1	2	4	0	12	0	0	38	8	2	0	0	0	0	.118	.211	.235	1	-3.7	.205	25	-3.6
19	Lane Thomas L. Thomas	.450	36	2020	STL	18	5	4	2	0	1	2	4	0	13	0	0	40	9	3	0	0	0	1	.111	.200	.250	1	-3.9	.203	25	-3.8
20	Jon Jay J. Jay	.451	50	2020	ARI	18	5	8	1	0	1	4	3	1	12	0	0	57	12	2	0	3	0	0	.160	.211	.240	1	-5.8	.199	17	-6
21	Jack Mayfield J. Mayfield	.453	42	2020	HOU	21	5	8	1	0	0	3	2	1	14	0	0	47	9	1	1	1	0	1	.190	.239	.214	1	-4.5	.207	26	-4.3
22	Scott Heineman S. Heineman	.454	52	2020	TEX	24	6	8	3	0	1	7	2	0	11	3	0	54	14	4	0	0	0	1	.154	.185	.269	1	-5.6	.197	16	-5.6
23	Bubba Starling B. Starling	.456	59	2020	KCR	35	5	10	1	0	1	5	4	0	27	0	0	64	14	2	0	1	0	0	.169	.219	.237	2	-6.2	.204	20	-6.3
24	Steven Duggar S. Duggar	.458	34	2020	SFG	21	3	6	2	0	0	3	1	1	11	1	0	36	8	2	0	0	0	1	.176	.222	.235	1	-3.4	.206	25	-3.4
25	Thairo Estrada T. Estrada	.460	48	2020	NYY	26	8	8	0	0	1	3	1	3	19	1	0	52	11	1	0	0	0	0	.167	.231	.229	2	-4.7	.212	29	-4.5