Bob Bailor had the most at-bats for the Blue Jays in 1978, with 621 at-bats.

	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	Bob Bailor B. Bailor	621	1978	TOR	154	74	164	29	7	1	52	38	5	21	5	6	676	210	37	9	3	1	8	.264	.310	.338	.649	63	-10.6	.297	79	-15.9
2	Rick Bosetti R. Bosetti	568	1978	TOR	136	61	147	25	5	5	42	30	3	65	6	10	608	197	35	5	2	0	5	.259	.299	.347	.645	55	-10.6	.295	77	-15.3
3	Roy Howell R. Howell	551	1978	TOR	140	67	149	28	3	8	61	44	1	78	0	1	601	207	39	4	1	3	10	.270	.325	.376	.701	66	0.4	.319	94	-4.3
4	John Mayberry J. Mayberry	515	1978	TOR	152	51	129	15	2	22	70	60	4	57	1	2	587	214	39	1	7	2	13	.250	.329	.416	.745	72	8.7	.337	106	4.1
5	Dave McKay D. McKay	504	1978	TOR	145	59	120	20	8	7	45	20	1	91	4	4	537	177	35	10	2	2	17	.238	.268	.351	.619	42	-16.1	.278	66	-20.3
6	Luis Gomez L. Gomez	413	1978	TOR	153	39	92	7	3	0	32	34	0	41	2	10	469	105	10	19	3	1	10	.223	.280	.254	.534	27	-23.8	.250	48	-27.5
7	Rico Carty R. Carty	387	1978	TOR	104	51	110	16	0	20	68	36	0	41	1	1	430	186	36	1	6	5	7	.284	.340	.481	.821	61	14.7	.363	124	11.4
8	Rick Cerone R. Cerone	282	1978	TOR	88	25	63	8	2	3	20	23	1	32	0	3	310	84	13	4	0	0	7	.223	.284	.298	.582	23	-10.9	.271	62	-13.3
9	Alan Ashby A. Ashby	264	1978	TOR	81	27	69	15	0	9	29	28	1	32	1	1	298	111	24	4	1	4	10	.261	.333	.420	.754	37	4.6	.338	107	2.2
10	Otto Velez O. Velez	248	1978	TOR	91	29	66	14	2	9	38	45	2	41	1	3	300	111	25	3	2	1	8	.266	.380	.448	.828	46	13.2	.376	132	10.8
11	Willie Upshaw W. Upshaw	224	1978	TOR	95	26	53	8	2	1	17	21	0	35	4	6	250	68	11	2	3	0	4	.237	.298	.304	.602	20	-7.3	.279	67	-9.2
12	Al Woods A. Woods	220	1978	TOR	62	19	53	12	3	3	25	11	1	23	1	2	239	80	18	5	2	1	5	.241	.278	.364	.641	20	-5.4	.288	73	-7.3
13	Tom Hutton T. Hutton	173	1978	TOR	64	19	44	9	0	2	9	19	0	11	1	2	197	59	11	5	0	0	5	.254	.328	.341	.669	20	-1	.311	89	-2.5
14	Willie Horton W. Horton	122	1978	TOR	33	12	25	6	0	3	19	4	0	29	0	0	127	40	9	0	1	0	6	.205	.228	.328	.556	7	-6.4	.251	48	-7.4
15	Doug Ault D. Ault	104	1978	TOR	54	10	25	1	1	3	7	17	1	14	0	0	124	37	5	2	0	1	6	.240	.352	.356	.708	15	1.1	.329	101	0.1
16	Tim Johnson T. Johnson	79	1978	TOR	68	9	19	2	0	0	3	8	1	16	0	1	92	21	2	3	1	0	0	.241	.315	.266	.580	7	-2.9	.276	65	-3.6
17	Sam Ewing S. Ewing	56	1978	TOR	40	3	10	0	0	2	9	5	0	9	0	0	62	16	2	0	1	2	0	.179	.242	.286	.528	3	-4.1	.230	34	-4.6
18	Garth Iorg G. Iorg	49	1978	TOR	19	3	8	0	0	0	3	3	1	4	0	0	55	8	0	0	2	0	3	.163	.218	.163	.381	0	-5.5	.185	4	-5.9
19	Gary Woods G. Woods	19	1978	TOR	8	1	3	1	0	0	0	1	0	1	1	0	20	4	1	0	0	0	0	.158	.200	.211	.411	0	-1.9	.192	8	-2
20	Butch Alberts B. Alberts	18	1978	TOR	6	1	5	1	0	0	0	0	0	2	0	0	18	6	1	0	0	0	0	.278	.278	.333	.611	1	-0.6	.276	65	-0.7
21	Brian Milner B. Milner	9	1978	TOR	2	3	4	0	1	0	2	0	0	1	0	0	9	6	1	0	0	0	0	.444	.444	.667	1.111	2	1.2	.490	209	1.1
22	Ernie Whitt E. Whitt	4	1978	TOR	2	0	0	0	0	0	0	1	0	1	0	0	5	0	0	0	0	0	0	.000	.200	.000	.200	0	-0.7	.141	-26	-0.7