Rube Foster had a 3-3 record with an ERA of 3.16 and 36 strikeouts in 19 appearances in his rookie season in 1913.

		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		Rube Foster R. Foster	1913	BSA	19	3	3	.500	8	3.16	36	4	1	0	68.1	64	24	35	1	28	4	9		286	3	4.74	3.69	1.29	0.13	12.6	9.8	1.35	.290	4.61	110	3.10	105	8.43	-1.4

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP
1	Rube Foster R. Foster	8/2/1913	1913	BSA	vs	CLE	L	1	13.50	0	0	0	0	0.2	2	1	1	0	0	0	0	4	0
2	Rube Foster R. Foster	8/2/1913	1913	BSA	vs	CLE
3	Rube Foster R. Foster	7/31/1913	1913	BSA	vs	CLE		0	13.50	0	0	0	0	0.2	2	1	2	0	0	0	0	5	0
4	Rube Foster R. Foster	7/29/1913	1913	BSA	vs	CWS	W	1	0.00	7	1	1	0	9.0	4	0	0	0	3	0	0	32	1
5	Rube Foster R. Foster	7/23/1913	1913	BSA	@	CLE		1	3.38	1	0	0	0	5.1	7	2	3	0	0	1	0	22	0
6	Rube Foster R. Foster	7/19/1913	1913	BSA	@	DET	W	1	2.00	3	1	0	0	9.0	9	2	2	0	5	1	0	38	0
7	Rube Foster R. Foster	7/14/1913	1913	BSA	@	CWS	L	1	6.43	4	0	0	0	7.0	13	5	8	0	1	0	0	34	1
8	Rube Foster R. Foster	7/10/1913	1913	BSA	@	SLA	W	1	1.00	7	1	0	0	9.0	2	1	2	0	3	1	0	34	0
9	Rube Foster R. Foster	7/4/1913	1913	BSA	vs	PHA	L	1	3.00	3	1	0	0	9.0	7	3	5	0	4	1	0	39	0
10	Rube Foster R. Foster	7/2/1913	1913	BSA	vs	WSH		0	0.00	4	0	0	0	6.0	3	0	1	0	3	0	1	22	0
11	Rube Foster R. Foster	6/28/1913	1913	BSA	vs	NYY		0	0.00	0	0	0	0	1.0	1	0	0	0	0	0	1	3	0
12	Rube Foster R. Foster	6/23/1913	1913	BSA	@	PHA		0	12.00	2	0	0	0	3.0	5	4	5	0	3	1	1	23	0
13	Rube Foster R. Foster	6/4/1913	1913	BSA	vs	CWS		0	0.00	0	0	0	0	2.0	1	0	1	0	1	0	1	9	0
14	Rube Foster R. Foster	6/3/1913	1913	BSA	vs	CWS		0	0.00	0	0	0	0	0.2	0	0	0	0	1	0	0	2	0
15	Rube Foster R. Foster	5/14/1913	1913	BSA	@	DET		0	18.00	0	0	0	0	1.0	3	2	2	0	0	0	1	5	0
16	Rube Foster R. Foster	5/10/1913	1913	BSA	@	CLE		0	0.00	2	0	0	0	2.0	0	0	0	0	0	0	1	6	0
17	Rube Foster R. Foster	5/7/1913	1913	BSA	@	CLE		0	9.00	2	0	0	0	1.0	2	1	1	0	1	0	1	7	1
18	Rube Foster R. Foster	4/21/1913	1913	BSA	@	PHA		0	0.00	0	0	0	0	1.0	0	0	0	0	2	0	1	8	0
19	Rube Foster R. Foster	4/18/1913	1913	BSA	@	PHA		1		0	0	0	0	0.0	3	2	2	1	1	0	0	5	0
20	Rube Foster R. Foster	4/10/1913	1913	BSA	vs	PHA		0	0.00	1	0	0	0	1.0	0	0	0	0	1	0	1	3	0
	Total							8	3.16	36	4	1	0	68.1	64	24	35	1	28	4	9	286	3