Ad Brennan had a record of 2-0 with an ERA of 2.33 and 28 strikeouts in 19 appearances in his rookie season in 1910.

		NAME	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1		Ad Brennan A. Brennan	1910	PHN	19	2	0	1.000	5	2.33	28	2	0	0	73.1	72	19	36	2	28	3	13		304	0	3.44	3.44	1.00	0.25	9.2	9.2	1.36	.288	4.42	76	3.18	107	8.84	-1.5

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP
1	Ad Brennan A. Brennan	10/10/1910	1910	PHN	@	NYG	W	1		4	1	0	0	9.0	14		2	0	1	0	0	38	0
2	Ad Brennan A. Brennan	10/1/1910	1910	PHN	@	BKN		1		0	0	0	0	1.0	1		1	0	0	0	0	3	0
3	Ad Brennan A. Brennan	9/30/1910	1910	PHN	@	BKN		0		0	0	0	0	2.2	3		3	1	2	0	1	14	0
4	Ad Brennan A. Brennan	9/28/1910	1910	PHN	vs	SLN		0		1	0	0	0	2.0	0		0	0	1	0	1	6	0
5	Ad Brennan A. Brennan	9/26/1910	1910	PHN	vs	SLN	W	1		3	1	0	0	9.0	2		1	0	3	0	0	30	0
6	Ad Brennan A. Brennan	9/21/1910	1910	PHN	vs	CIN		0		0	0	0	0	2.0	3		3	0	1	0	0	10	0
7	Ad Brennan A. Brennan	9/16/1910	1910	PHN	vs	CHC		0		8	0	0	0	8.0	10		0	0	3	0	1	32	0
8	Ad Brennan A. Brennan	8/29/1910	1910	PHN	@	CHC		1		0	0	0	0	4.0	4		4	0	3	1	0	18	0
9	Ad Brennan A. Brennan	8/22/1910	1910	PHN	@	PIT		0		0	0	0	0	4.2	4		1	1	0	0	1	16	0
10	Ad Brennan A. Brennan	8/17/1910	1910	PHN	vs	CIN		1		2	0	0	0	6.0	7		3	0	2	0	0	24	0
11	Ad Brennan A. Brennan	8/12/1910	1910	PHN	vs	SLN		0		0	0	0	0	3.2	4		5	0	2	0	1	15	0
12	Ad Brennan A. Brennan	8/9/1910	1910	PHN	vs	CHC		0		1	0	0	0	3.2	4		5	0	2	0	1	17	0
13	Ad Brennan A. Brennan	8/4/1910	1910	PHN	vs	PIT		0		1	0	0	0	4.2	4		2	1	1	0	1	20	0
14	Ad Brennan A. Brennan	7/20/1910	1910	PHN	@	SLN
15	Ad Brennan A. Brennan	7/9/1910	1910	PHN	@	PIT		0		1	0	0	0	3.2	2		1	0	1	0	1	13	0
16	Ad Brennan A. Brennan	7/6/1910	1910	PHN	vs	BKN		0		1	0	0	0	1.0	0		0	0	0	0	1	3	0
17	Ad Brennan A. Brennan	6/15/1910	1910	PHN	vs	CIN
18	Ad Brennan A. Brennan	5/31/1910	1910	PHN	vs	NYG		0		2	0	0	0	2.0	1		1	0	1	1	1	8	0
19	Ad Brennan A. Brennan	5/24/1910	1910	PHN	@	CHC		0		0	0	0	0	5.0	7		2	0	2	0	1	20	0
20	Ad Brennan A. Brennan	5/22/1910	1910	PHN	@	CHC		0		1	0	0	0	3.1	2		1	0	1	0	1	12	0
21	Ad Brennan A. Brennan	5/19/1910	1910	PHN	@	SLN		0		1	0	0	0	2.0	0		1	0	2	1	1	7	0
	Total							5	2.33	28	2	0	0	73.1	72	19	36	2	28	3	13	304	0