Jack Quinn is the oldest in a start in a postseason game. He was 46 years and 103 days old in Game 4 of the 1929 World Series versus the Cubs.

	NAME	AGE	GS	DATE	TM		OPP	DEC	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Jack Quinn J. Quinn	46-103	1	10/12/1929	PHA	vs	CHC		9.00	2	0	0	0	5.0	7	5	6	1	2	0	0	0	24	0
2	Jamie Moyer J. Moyer	45-342	1	10/25/2008	PHI	vs	TBR		4.26	5	0	0	0	6.1	5	3	3	0	1	0	0	0	25	0
3	Jamie Moyer J. Moyer	45-329	1	10/12/2008	PHI	@	LAD	L	40.50	2	0	0	0	1.1	6	6	6	1	0	1	0	0	11	0
4	Jamie Moyer J. Moyer	45-321	1	10/4/2008	PHI	@	MIL	L	4.50	3	0	0	0	4.0	4	2	2	0	3	0	0	0	18	1
5	Roger Clemens R. Clemens	45-064	1	10/7/2007	NYY	vs	CLE		11.57	1	0	0	0	2.1	4	3	3	1	2	0	0	0	13	0
6	Jamie Moyer J. Moyer	44-322	1	10/6/2007	PHI	@	COL		1.50	2	0	0	0	6.0	5	1	1	0	2	0	0	0	24	0
7	Phil Niekro P. Niekro	43-191	1	10/9/1982	ATL	@	STL		3.00	5	0	0	0	6.0	6	2	2	0	4	0	0	0	27	1
8	David Wells D. Wells	43-138	1	10/5/2006	SDP	vs	STL	L	3.60	2	0	0	0	5.0	7	2	2	0	0	1	0	0	19	0
9	Roger Clemens R. Clemens	43-079	1	10/22/2005	HOU	@	CWS		13.50	1	0	0	0	2.0	4	3	3	1	0	0	0	0	10	0
10	Roger Clemens R. Clemens	43-072	1	10/15/2005	HOU	vs	STL	W	3.00	1	0	0	0	6.0	6	2	2	0	2	0	0	0	26	0
11	Roger Clemens R. Clemens	43-063	1	10/6/2005	HOU	@	ATL	L	9.00	2	0	0	0	5.0	6	5	5	1	3	0	0	0	24	0
12	Randy Johnson R. Johnson	43-026	1	10/6/2006	NYY	@	DET	L	7.94	4	0	0	0	5.2	8	5	5	0	2	0	0	0	25	0
13	David Wells D. Wells	42-138	1	10/5/2005	BOS	@	CWS	L	2.70	2	0	0	0	6.2	7	2	5	1	0	0	0	0	26	0
14	Roger Clemens R. Clemens	42-078	1	10/21/2004	HOU	@	STL	L	6.00	2	0	0	0	6.0	6	4	4	1	0	0	0	0	23	0
15	Tim Wakefield T. Wakefield	42-073	1	10/14/2008	BOS	vs	TBR	L	16.88	2	0	0	0	2.2	6	5	5	3	2	0	0	0	16	0
16	Roger Clemens R. Clemens	42-073	1	10/16/2004	HOU	vs	STL	W	2.57	7	0	0	0	7.0	4	2	2	2	2	0	0	0	27	1
17	Roger Clemens R. Clemens	42-067	1	10/10/2004	HOU	vs	ATL		3.60	5	0	0	0	5.0	6	2	2	0	2	0	0	0	21	1
18	Roger Clemens R. Clemens	42-063	1	10/6/2004	HOU	@	ATL	W	2.57	7	0	0	0	7.0	6	2	3	1	6	0	0	0	34	2
19	Randy Johnson R. Johnson	42-027	1	10/7/2005	NYY	vs	LAA		15.00	2	0	0	0	3.0	9	5	5	2	0	0	0	0	17	0
20	Kenny Rogers K. Rogers	41-346	1	10/22/2006	DET	vs	STL	W	0.00	5	0	0	0	8.0	2	0	0	0	3	0	0	0	28	0
21	Kenny Rogers K. Rogers	41-337	1	10/13/2006	DET	vs	OAK	W	0.00	6	0	0	0	7.1	2	0	0	0	2	1	0	0	26	0
22	Kenny Rogers K. Rogers	41-330	1	10/6/2006	DET	vs	NYY	W	0.00	8	0	0	0	7.2	5	0	0	0	2	1	0	0	30	0
23	Grover Alexander G. Alexander	41-222	1	10/5/1928	SLN	@	NYY	L	30.86	1	0	0	0	2.1	6	8	8	1	4	0	0	0	17	0
24	Don Sutton D. Sutton	41-192	1	10/11/1986	CAL	vs	BOS		1.42	2	0	0	0	6.1	4	1	1	0	1	0	0	0	24	0
25	Max Scherzer M. Scherzer	41-092	1	10/27/2025	TOR	@	LAD		6.23	3	0	0	0	4.1	5	3	3	2	1	0	0	0	18	0