Alex Bregman had the highest on-base percentage by a third baseman in 2023, with an on-base percentage of .363.

Interpreted as:

MLB obp with a minimum of 3.1 PA per team game leaders for third baseman 2023

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Alex Bregman A. Bregman	.363	2023	HOU	161	622	103	163	28	4	25	98	92	8	87	3	1	724	274	57	0	2	1	22	.262	.441	.804	108	19.7	.351	125	22.1
2	José Ramírez J. Ramírez	.356	2023	CLE	156	611	87	172	36	5	24	80	73	1	73	28	6	691	290	65	0	6	22	8	.282	.475	.831	100	15.7	.346	122	18
3	Isaac Paredes I. Paredes	.352	2023	TBR	143	492	71	123	24	0	31	98	58	20	104	1	0	571	240	55	0	1	0	11	.250	.488	.840	90	20.8	.362	136	24.8
4	Rafael Devers R. Devers	.351	2023	BOS	153	580	90	157	34	0	33	100	62	11	126	5	1	656	290	67	0	3	10	15	.271	.500	.851	102	22.2	.359	124	18.8
5	Austin Riley A. Riley	.345	2023	ATL	159	636	117	179	32	3	37	97	59	9	172	3	1	715	328	72	0	11	4	18	.281	.516	.861	113	26.3	.363	127	24
6	Jeimer Candelario J. Candelario	.336	2023	TOT	140	505	77	127	39	3	22	70	53	13	127	8	1	575	238	64	0	4	1	11	.251	.471	.807	83	13.1	.346	118	13
7	Max Muncy M. Muncy	.333	2023	LAD	135	482	95	102	17	1	36	105	85	6	153	1	2	579	229	54	0	6	4	8	.212	.475	.808	83	12.4	.344	118	12.7
8	Matt Chapman M. Chapman	.330	2023	TOR	140	509	66	122	39	2	17	54	62	8	165	4	2	581	216	58	0	2	1	4	.240	.424	.755	76	4.8	.328	110	6.7
9	DJ LeMahieu	.327	2023	NYY	136	497	55	121	22	3	15	44	60	3	125	2	2	562	194	40	0	2	2	14	.243	.390	.718	67	-1.8	.315	99	-0.6
10	Alec Bohm A. Bohm	.327	2023	PHI	145	558	74	153	31	0	20	97	42	5	94	4	1	611	244	51	0	6	1	23	.274	.437	.765	80	5.5	.329	106	4.2
11	J.D. Davis	.325	2023	SFG	144	480	61	119	23	1	18	69	52	6	152	1	0	544	198	42	0	6	0	16	.248	.413	.738	68	1.3	.321	103	2.1
12	Gunnar Henderson G. Henderson	.325	2023	BAL	150	560	100	143	29	9	28	82	56	3	159	10	3	622	274	66	0	3	1	10	.255	.489	.814	90	14.1	.346	123	16.9
13	Maikel Garcia M. Garcia	.323	2023	KCR	123	464	59	126	20	4	4	50	38	2	115	23	7	515	166	28	1	10	0	9	.272	.358	.681	54	-8.4	.299	83	-10.5
14	Eugenio Suárez E. Suárez	.323	2023	SEA	162	598	68	139	29	0	22	96	70	15	214	2	1	694	234	51	0	11	0	10	.232	.391	.714	82	-2.9	.313	104	3.6
15	Ryan McMahon R. McMahon	.322	2023	COL	152	555	80	133	31	3	23	70	68	1	198	5	5	627	239	57	0	3	2	19	.240	.431	.753	80	3.4	.325	90	-7.8
16	Manny Machado M. Machado	.319	2023	SDP	138	543	75	140	21	0	30	91	50	2	109	3	2	601	251	51	0	6	1	20	.258	.462	.782	81	7.7	.334	113	9.4
17	Nolan Arenado N. Arenado	.315	2023	STL	144	560	71	149	26	2	26	93	41	3	101	3	3	612	257	54	0	8	5	21	.266	.459	.774	79	4.5	.327	106	4.7
18	Josh Jung J. Jung	.315	2023	TEX	122	478	75	127	25	1	23	70	30	5	151	1	3	515	223	49	0	2	0	7	.266	.467	.781	70	6.7	.334	113	7.8
19	Jake Burger J. Burger	.309	2023	TOT	141	492	71	123	28	1	34	80	32	12	149	1	1	540	255	63	0	4	0	4	.250	.518	.828	80	13.7	.349	120	13
20	Ke'Bryan Hayes K. Hayes	.309	2023	PIT	124	494	65	134	31	7	15	61	28	0	104	10	6	525	224	53	0	3	1	11	.271	.453	.762	67	2.5	.324	100	0.2
21	Zach McKinstry Z. McKinstry	.302	2023	DET	148	464	60	107	21	4	9	35	44	5	113	16	6	518	163	34	2	3	0	3	.231	.351	.654	50	-12.7	.289	82	-11