Orel Hershiser faced the most batters in a game in 1989, with 46 batters faced versus the Braves on October 1, 1989.

Interpreted as:

most tbf by a pitcher in a regular-season game 1989

	NAME	TBF	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	WP
1	Orel Hershiser O. Hershiser	46	10/1/1989	LAD	@	ATL	W	1	0.82	8	0	0	0	11.0	10	1	1	0	3	1	0	1	0
2	Rick Mahler R. Mahler	42	8/30/1989	CIN	@	STL		1	0.00	6	0	0	0	10.0	9	0	0	0	4	0	0	3	0
3	Jay Tibbs J. Tibbs	42	6/27/1989	BAL	vs	TOR	W	1	6.00	2	1	0	0	9.0	13	6	6	2	3	0	0	0	0
4	John Farrell J. Farrell	41	9/10/1989	CLE	vs	TOR		1	2.00	6	0	0	0	9.0	9	2	4	0	4	0	0	0	0
5	Al Leiter A. Leiter	41	4/14/1989	NYY	vs	MIN	W	1	3.38	10	0	0	0	8.0	5	3	5	0	9	1	0	0	1
6	Jack Morris J. Morris	40	9/24/1989	DET	vs	BOS	L	1	4.00	6	1	0	0	9.0	11	4	4	0	4	0	0	1	0
7	Dave Stewart D. Stewart	40	9/8/1989	OAK	vs	NYY	L	1	4.00	1	1	0	0	9.0	10	4	5	1	1	1	0	0	1
8	Paul Gibson P. Gibson	40	7/22/1989	DET	@	CAL		1	3.60	6	0	0	0	10.0	8	4	4	2	2	0	0	1	0
9	Brian Holman B. Holman	40	7/8/1989	SEA	vs	CLE		1	3.24	4	0	0	0	8.1	9	3	3	1	7	0	0	3	0
10	Chris Bosio C. Bosio	40	6/23/1989	MIL	vs	CWS	W	1	4.00	7	1	0	0	9.0	11	4	5	0	1	1	0	0	0
11	Dave Johnson D. Johnson	39	9/13/1989	BAL	vs	CWS	L	1	2.00	0	1	0	0	9.0	10	2	3	0	1	0	0	0	0
12	Jack Morris J. Morris	39	8/19/1989	DET	vs	NYY	W	1	3.00	4	1	0	0	9.0	8	3	4	1	2	0	0	0	1
13	Bruce Hurst B. Hurst	39	8/17/1989	SDP	@	NYM	W	1	1.00	3	1	0	0	9.0	9	1	2	0	2	0	0	0	0
14	Brian Holman B. Holman	39	8/9/1989	SEA	@	CAL	L	1	4.50	6	1	0	0	8.0	10	4	4	0	4	1	0	2	1
15	Bob Forsch B. Forsch	39	8/3/1989	HOU	@	CIN		0	12.86	3	0	0	0	7.0	18	10	10	2	0	0	0	0	1
16	Dave Stewart D. Stewart	39	7/25/1989	OAK	vs	CAL	L	1	4.00	9	1	0	0	9.0	11	4	4	3	3	0	0	0	2
17	Pete Harnisch P. Harnisch	39	7/17/1989	BAL	vs	SEA	W	1	4.32	1	0	0	0	8.1	8	4	4	1	6	0	0	0	0
18	Joe Magrane J. Magrane	38	8/29/1989	STL	vs	CIN	W	1	2.00	3	1	0	0	9.0	8	2	2	1	2	1	0	0	0
19	Storm Davis S. Davis	38	8/19/1989	OAK	vs	MIN	W	1	3.60	2	1	0	0	10.0	8	4	4	1	1	0	0	0	0
20	Bert Blyleven B. Blyleven	38	8/8/1989	CAL	vs	SEA		1	3.00	5	0	0	0	9.0	8	3	4	1	3	0	0	1	0
21	Chuck Cary C. Cary	38	7/29/1989	NYY	vs	TOR	W	1	2.00	7	1	0	0	9.0	11	2	2	1	2	0	0	0	0
22	Fernando Valenzuela F. Valenzuela	38	7/15/1989	LAD	vs	STL	L	1	2.00	1	1	0	0	9.0	10	2	2	0	3	0	0	1	0
23	John Smiley J. Smiley	38	7/6/1989	PIT	vs	SFG	L	1	1.80	8	1	0	0	10.0	7	2	2	2	1	1	0	0	0
24	Doyle Alexander D. Alexander	38	6/28/1989	DET	vs	NYY		1	3.38	4	0	0	0	8.0	9	3	5	1	4	0	0	1	0
25	Mark Langston M. Langston	38	6/28/1989	MON	vs	NYM	W	1	3.38	10	0	0	0	8.0	12	3	3	1	3	0	0	0	1