Ad Brennan

Born: 7/18/1887 in La Harpe, KS, USA

Died: 1/7/1962 in Kansas City, MO, USA

MLB Debut: 1910-05-19 | Final Game: 1918-07-27

Bats: L | Throws: L | Height: 5'11" | Weight: 170 lbs

Full name: Addison Foster Brennan

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Biography

Ad Brennan was a professional baseball pitcher whose career spanned from 1910 to 1918. Born in 1887, he emerged during a transformative era in Major League Baseball, marked by the transition from the deadball era to a more dynamic style of play. Brennan established himself as a reliable presence on the mound, finishing his career with a record of 37-36 and an impressive earned run average (ERA) of 3.11. His ability to keep runs to a minimum contributed significantly to his teams' successes during his playing years. Throughout his career, Brennan showcased his skill as a strikeout pitcher, accumulating a total of 283 strikeouts. Though he recorded only 3 saves, his overall performance reflected a dedication to the craft of pitching, characterized by precision and composure under pressure. Brennan's contributions to the game during the early 20th century helped pave the way for future generations of pitchers, as the sport began to evolve and embrace new strategies. His legacy remains a testament to the enduring qualities of determination and skill in the annals of baseball history.

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
37	36	129	77	40	5	3	677.0	694	234	21	194	283	3.11	0

Career ERA 3.11 vs. league average 3.02 across their career seasons — near league average.

Season-by-Season Pitching

Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1910	PHI	NL	2	0	19	5	2	0	0	73.3	72	19	28	28	2.33	2.79 (+16%)	-788.2
1911	PHI	NL	2	1	5	3	1	0	0	22.7	22	9	12	12	3.57	3.37 (-6%)	-50.9
1912	PHI	NL	11	9	27	19	13	1	2	174.0	185	69	49	78	3.57	3.36 (-6%)	885.8
1913	PHI	NL	14	12	40	25	12	1	1	207.0	204	55	46	94	2.39	3.07 (+22%)	1716.7
1914	CHF	FL	5	5	16	11	5	1	0	85.7	84	34	21	31	3.57	2.93 (-22%)	-1149.5
1915	CHF	FL	3	9	19	13	7	2	0	106.0	117	44	30	40	3.74	2.90 (-29%)	-825.3
1918	WSN	AL	0	0	2	1	0	0	0	5.3	7	3	5	0	5.06	—	-
1918	CLE	AL	0	0	1	0	0	0	0	3.0	3	1	3	0	3.00	—	0.0

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
132	220	15	48	6	2	1	12	1	12	40	0.218	0.265	0.277	0.542	-502.5

Career AVG .218 vs. league average .257 across their career seasons — 15.2% below league average.

Career OBP .265 vs. league average .325 across their career seasons — 18.4% below league average.

Career SLG .277 vs. league average .341 across their career seasons — 18.6% below league average.

Career OPS 0.542 vs. league average 0.665 across their career seasons — 18.5% below league average.

Season-by-Season Batting

Year	Team	Lg	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1910	PHI	NL	21	25	1	7	0	0	0	1	1	3	5	0.280	—	—	—	—	0.0
1911	PHI	NL	5	9	0	2	0	0	0	0	0	0	3	0.222	—	—	—	—	0.0
1912	PHI	NL	27	59	8	15	1	2	1	6	0	4	9	0.254	.268 (-5%)	.335 (-7%)	.358 (+9%)	.694 (+1%)	-4.8
1913	PHI	NL	40	67	3	11	2	0	0	2	0	1	12	0.164	.259 (-37%)	.325 (-46%)	.345 (-44%)	.670 (-45%)	-497.6
1914	CHF	FL	16	32	2	8	3	0	0	3	0	0	6	0.250	—	—	—	—	0.0
1915	CHF	FL	20	27	1	5	0	0	0	0	0	4	5	0.185	—	—	—	—	0.0
1918	WSN	AL	2	1	0	0	0	0	0	0	0	0	0	0.000	—	—	—	—	0.0
1918	CLE	AL	1	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
OF	2	0	1	0	0	0
P	129	5	25	175	11	5

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1910	PHI	OF	1	0	1	0	0	0
1910	PHI	P	19	5	2	13	1	1
1911	PHI	P	5	0	1	8	1	0
1912	PHI	P	27	0	7	53	1	1
1913	PHI	P	40	0	12	53	4	1
1914	CHF	P	16	0	1	23	3	2
1915	CHF	OF	1	0	0	0	0	0
1915	CHF	P	19	0	2	23	1	0
1918	WS1	P	2	0	0	2	0	0
1918	CLE	P	1	0	0	0	0	0