most strikeouts thrown in one game by a pitcher older than 43 years old

Nolan Ryan has fanned the most batters by a pitcher older than 43 in a game, with 16 strikeouts versus the Blue Jays on May 1, 1991.

Interpreted as:

most strikeouts thrown in one regular-season game by a pitcher older than 43 years old

	NAME	SO	AGE	DATE	TM		OPP	DEC	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Nolan Ryan N. Ryan	16	44-090	5/1/1991	TEX	vs	TOR	W	1	0.00	1	1	0	9.0	0	0	0	0	2	0	0	0	29	0
2	Nolan Ryan N. Ryan	14	44-157	7/7/1991	TEX	vs	CAL	W	1	0.00	0	0	0	8.1	2	0	0	0	1	0	0	0	26	0
3	Randy Johnson R. Johnson	13	44-347	8/22/2008	ARI	vs	FLA		1	1.29	0	0	0	7.0	5	1	3	0	3	0	0	1	30	0
4	Nolan Ryan N. Ryan	13	45-155	7/4/1992	TEX	vs	NYY	W	1	1.00	1	0	0	9.0	3	1	1	1	1	1	0	0	33	0
5	Nolan Ryan N. Ryan	12	45-188	8/6/1992	TEX	vs	OAK	L	1	2.35	0	0	0	7.2	6	2	2	0	3	1	0	0	33	0
6	Randy Johnson R. Johnson	10	44-300	7/6/2008	ARI	vs	SDP	W	1	1.42	0	0	0	6.1	3	1	1	1	0	1	0	0	23	0
7	Randy Johnson R. Johnson	10	44-257	5/24/2008	ARI	@	ATL		1	1.50	0	0	0	6.0	5	1	1	0	0	0	0	0	23	0
8	Nolan Ryan N. Ryan	10	44-248	10/6/1991	TEX	vs	OAK		1	2.57	0	0	0	7.0	3	2	2	0	5	0	0	0	29	0
9	Nolan Ryan N. Ryan	10	44-178	7/28/1991	TEX	vs	DET	W	1	3.38	0	0	0	5.1	2	2	2	2	3	0	0	0	21	0
10	Nolan Ryan N. Ryan	10	44-131	6/11/1991	TEX	vs	CWS	W	1	0.00	1	1	0	9.0	6	0	0	0	1	1	0	0	34	0
11	Nolan Ryan N. Ryan	10	44-079	4/20/1991	TEX	@	BAL	W	1	0.00	0	0	0	7.1	4	0	0	0	2	0	0	0	28	1
12	Randy Johnson R. Johnson	9	45-243	5/11/2009	SFG	vs	WSH	W	1	7.20	0	0	0	5.0	8	4	4	3	0	0	0	0	23	1
13	Randy Johnson R. Johnson	9	45-233	5/1/2009	SFG	vs	COL	W	1	0.00	0	0	0	7.0	4	0	0	0	0	0	0	0	24	0
14	Randy Johnson R. Johnson	9	45-018	9/28/2008	ARI	vs	COL	W	1	0.00	1	0	0	9.0	2	0	1	0	1	1	0	0	30	1
15	Randy Johnson R. Johnson	9	44-352	8/27/2008	ARI	@	SDP		1	3.86	0	0	0	7.0	5	3	3	1	1	0	0	1	27	0
16	Jamie Moyer J. Moyer	9	45-219	6/24/2008	PHI	@	OAK	L	1	4.05	0	0	0	6.2	5	3	3	1	1	0	0	0	25	1
17	Randy Johnson R. Johnson	9	44-262	5/29/2008	ARI	vs	SFG		1	2.57	0	0	0	7.0	6	2	2	1	2	0	0	0	29	0
18	Roger Clemens R. Clemens	9	44-026	8/30/2006	HOU	vs	MIL		1	0.00	0	0	0	7.0	3	0	0	0	2	0	0	0	25	1
19	Charlie Hough C. Hough	9	46-160	6/14/1994	FLA	@	STL	W	1	0.00	1	1	0	9.0	5	0	0	0	1	1	0	0	33	0
20	Charlie Hough C. Hough	9	45-150	6/4/1993	FLA	@	SDP	W	1	1.29	0	0	0	7.0	5	1	1	0	2	0	0	0	29	0
21	Charlie Hough C. Hough	9	45-111	4/26/1993	FLA	@	CIN	L	1	2.84	0	0	0	6.1	4	2	2	0	3	0	0	0	26	2
22	Nolan Ryan N. Ryan	9	45-099	5/9/1992	TEX	vs	MIL		1	4.50	0	0	0	6.0	5	3	3	0	2	0	0	0	25	0
23	Nolan Ryan N. Ryan	9	44-224	9/12/1991	TEX	vs	MIN	W	1	1.29	0	0	0	7.0	2	1	1	0	1	0	0	0	24	0
24	Nolan Ryan N. Ryan	9	44-126	6/6/1991	TEX	@	KCR		1	2.57	0	0	0	7.0	6	2	2	0	1	0	0	0	28	0
25	Nolan Ryan N. Ryan	9	44-085	4/26/1991	TEX	vs	CLE	L	1	5.40	0	0	0	8.1	8	5	5	1	2	0	0	0	35	1