Elmer Koestner had a 5-10 record with an ERA of 3.04, 44 strikeouts and 2 saves in 27 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		Elmer Koestner E. Koestner	1910	CLE	27	5	10	.333	13	3.04	44	8	1	2	145.0	145	49	76	0	63	6	13		583	7	2.73	3.91	0.70	0.00	7.5	10.8	1.43	.309	4.72	118	3.14	119	9.00	-7.6

Games

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP
1	Elmer Koestner E. Koestner	10/6/1910	1910	CLE	@	SLA	L	1		2	1	0	0	8.2	7		6	0	7	0	0	41	4
2	Elmer Koestner E. Koestner	9/28/1910	1910	CLE	vs	BSA	W	0		0	0	0	0	2.0	0		0	0	0	0	1	7	0
3	Elmer Koestner E. Koestner	9/27/1910	1910	CLE	vs	BSA		0		2	0	0	1	2.0	0		0	0	0	0	1	5	0
4	Elmer Koestner E. Koestner	9/16/1910	1910	CLE	vs	WSH		0		1	0	0	1	1.0	0		0	0	1	0	1	4	0
5	Elmer Koestner E. Koestner	9/11/1910	1910	CLE	@	SLA	W	1		7	1	0	0	9.0	7		5	0	6	0	0	39	0
6	Elmer Koestner E. Koestner	9/6/1910	1910	CLE	@	DET		0		0	0	0	0	6.0	7		3	0	1	0	1	22	0
7	Elmer Koestner E. Koestner	8/27/1910	1910	CLE	@	BSA		0		2	0	0	0	4.0	4		0	0	2	0	1	18	0
8	Elmer Koestner E. Koestner	8/22/1910	1910	CLE	@	PHA	L	0		0	0	0	0	1.2	3		2	0	3	0	1	11	0
9	Elmer Koestner E. Koestner	8/19/1910	1910	CLE	@	WSH		0		1	0	0	0	4.0	9		5	0	0	0	0	20	0
10	Elmer Koestner E. Koestner	8/13/1910	1910	CLE	vs	PHA	L	1		0	0	0	0	1.0	7		5	0	1	0	0	10	0
11	Elmer Koestner E. Koestner	8/10/1910	1910	CLE	vs	WSH		1		3	1	1	0	9.0	7		0	0	1	0	0	32	0
12	Elmer Koestner E. Koestner	8/5/1910	1910	CLE	vs	BSA	L	1		2	1	0	0	9.0	14		8	0	3	1	0	44	2
13	Elmer Koestner E. Koestner	8/1/1910	1910	CLE	vs	NYH	L	1		4	0	0	0	8.0	4		4	0	2	1	0	30	0
14	Elmer Koestner E. Koestner	7/26/1910	1910	CLE	@	PHA	W	1		1	1	0	0	9.0	6		2	0	6	0	0	35	0
15	Elmer Koestner E. Koestner	7/20/1910	1910	CLE	@	WSH	L	0		4	0	0	0	7.0	9		7	0	2	1	1	31	0
16	Elmer Koestner E. Koestner	7/16/1910	1910	CLE	@	NYH	L	1		1	1	0	0	8.0	10		5	0	3	0	0	33	0
17	Elmer Koestner E. Koestner	7/13/1910	1910	CLE	@	NYH		1		0	0	0	0	5.0	5		2	0	3	2	0	22	0
18	Elmer Koestner E. Koestner	7/9/1910	1910	CLE	@	BSA	L	0		1	0	0	0	6.0	4		2	0	3	0	1	10	0
19	Elmer Koestner E. Koestner	7/6/1910	1910	CLE	vs	CWS		1		2	0	0	0	8.0	6		4	0	4	0	0	33	0
20	Elmer Koestner E. Koestner	7/3/1910	1910	CLE	@	DET	L	0		0	0	0	0	1.0	3		1	0	1	0	1	6	0
21	Elmer Koestner E. Koestner	7/2/1910	1910	CLE	vs	DET	W	0		0	0	0	0	5.0	4		1	0	0	1	1	19	0
22	Elmer Koestner E. Koestner	6/26/1910	1910	CLE	@	CWS		1		1	0	0	0	5.0	5		4	0	5	0	0	23	0
23	Elmer Koestner E. Koestner	6/21/1910	1910	CLE	vs	CWS	L	1		5	1	0	0	10.0	8		3	0	4	0	0	43	1
24	Elmer Koestner E. Koestner	6/20/1910	1910	CLE	vs	CWS		0		2	0	0	0	1.0	0		0	0	0	0	1	3	0
25	Elmer Koestner E. Koestner	6/16/1910	1910	CLE	vs	NYH	W	1		2	1	0	0	9.0	7		3	0	3	0	0	36	0
	Total							13	3.04	44	8	1	2	145.0	145	49	76	0	63	6	13	583	7