Thurman Munson had the most at-bats by an AL catcher in 1977, with 595 at-bats.

Interpreted as:

most ab by a player in by al catcher in 1977

	NAME	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	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Thurman Munson T. Munson	595	1977	NYY	149	85	183	28	5	18	100	39	2	55	5	6	638	275	51	0	2	8	18	.308	.351	.462	.813	90	16.1	.355	123	17.1
2	Manny Sanguillen M. Sanguillen	571	1977	OAK	152	42	157	17	5	6	58	22	2	35	2	5	601	202	28	2	4	4	13	.275	.302	.354	.656	54	-15.8	.291	80	-14.1
3	Carlton Fisk C. Fisk	536	1977	BOS	152	106	169	26	3	26	102	75	9	85	7	6	632	279	55	2	10	3	9	.315	.402	.521	.922	114	40	.403	143	32.1
4	Butch Wynegar B. Wynegar	532	1977	MIN	144	76	139	22	3	10	79	68	2	61	2	3	617	197	35	10	5	5	11	.261	.344	.370	.715	71	-0.9	.322	95	-3.5
5	Jim Sundberg J. Sundberg	453	1977	TEX	149	61	132	20	3	6	65	53	2	77	2	3	533	176	29	20	5	0	8	.291	.365	.389	.753	69	7.3	.341	110	6.3
6	Darrell Porter D. Porter	425	1977	KCR	130	61	117	21	3	16	60	53	1	70	1	0	486	192	40	1	6	6	6	.275	.353	.452	.804	67	10.9	.352	116	9.4
7	Milt May M. May	397	1977	DET	115	32	99	9	3	12	46	26	0	31	0	0	438	150	24	8	7	2	14	.249	.291	.378	.669	41	-10.2	.294	76	-12.6
8	Alan Ashby A. Ashby	396	1977	TOR	124	25	83	16	3	2	29	50	2	51	0	2	459	111	21	10	1	3	14	.210	.301	.280	.581	34	-19.8	.269	58	-22.8
9	Charlie Moore C. Moore	375	1977	MIL	138	42	93	15	6	5	45	31	1	39	1	7	418	135	26	9	2	0	13	.248	.306	.360	.666	41	-8.1	.299	82	-8.9
10	Jim Essian J. Essian	322	1977	CWS	114	50	88	18	2	10	44	52	1	35	1	4	381	140	30	4	2	1	9	.273	.374	.435	.809	56	11.7	.362	123	10.6
11	Fred Kendall F. Kendall	317	1977	CLE	103	18	79	13	1	3	39	16	1	27	0	1	346	103	17	7	5	1	8	.249	.283	.325	.608	26	-14.4	.272	63	-15
12	Terry Humphrey T. Humphrey	304	1977	CAL	123	17	69	11	0	2	34	21	4	58	1	1	339	86	13	7	3	0	9	.227	.283	.283	.566	22	-17	.261	61	-15.7
13	Bob Stinson B. Stinson	297	1977	SEA	105	27	80	11	1	8	32	37	6	50	0	3	347	117	20	5	2	4	10	.269	.360	.394	.754	44	4	.338	106	2.5
14	Ray Fosse R. Fosse	272	1977	TOT	89	28	75	10	1	6	32	9	3	28	0	6	293	105	17	8	1	2	7	.276	.305	.386	.691	30	-4.4	.305	86	-5
15	Rick Dempsey R. Dempsey	270	1977	BAL	91	27	61	7	4	3	34	34	2	34	2	3	314	85	14	5	3	1	9	.226	.314	.315	.629	28	-8.7	.289	82	-6.8
16	Dave Skaggs D. Skaggs	216	1977	BAL	80	22	62	9	1	1	24	20	0	34	0	0	246	76	11	8	2	0	2	.287	.345	.352	.696	27	-1.4	.317	101	0.2
17	Brian Downing B. Downing	169	1977	CWS	69	28	48	4	2	4	25	34	2	21	1	2	214	68	10	5	4	0	3	.284	.402	.402	.804	32	7.2	.366	126	6.6
18	John Wockenfuss J. Wockenfuss	164	1977	DET	53	26	45	8	1	9	25	14	0	18	0	0	178	82	18	0	0	0	1	.274	.331	.500	.831	26	5.8	.364	123	4.8
19	Jeff Newman J. Newman	162	1977	OAK	94	17	36	9	0	4	15	4	1	24	2	0	172	57	13	4	1	1	2	.222	.244	.352	.596	11	-8.7	.260	60	-8.2
20	Larry Haney L. Haney	127	1977	MIL	63	7	29	2	0	0	10	5	0	30	0	0	136	31	2	2	2	0	2	.228	.254	.244	.498	5	-10.4	.227	34	-10.7
21	John Ellis J. Ellis	119	1977	TEX	49	7	28	7	0	4	15	8	0	26	0	0	127	47	11	0	0	2	1	.235	.283	.395	.678	12	-2.9	.295	79	-3.2
22	John Wathan J. Wathan	119	1977	KCR	55	18	39	5	3	2	21	5	0	8	2	0	127	56	10	0	3	1	1	.328	.346	.471	.817	18	2.9	.352	117	2.5
23	Andy Etchebarren A. Etchebarren	114	1977	CAL	80	11	29	2	2	0	14	12	0	19	3	1	131	35	4	3	2	0	3	.254	.320	.307	.627	12	-3.7	.288	79	-3.2
24	Skip Jutze S. Jutze	109	1977	SEA	42	10	24	2	0	3	15	7	0	12	0	4	118	35	5	2	0	1	3	.220	.267	.321	.588	8	-5.7	.263	55	-6.2
25	Rick Cerone R. Cerone	100	1977	TOR	31	7	20	4	0	1	10	6	0	12	0	0	107	27	5	1	0	0	3	.200	.245	.270	.515	5	-7.5	.236	35	-8.2