Don McMahon was 2-3 with an ERA of 1.54, 46 strikeouts and 8 saves in 32 appearances in his rookie season in 1957. He won his first World Series.

		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		Don McMahon D. McMahon	1957	MIL	32	2	3	.400	0	1.54	46	0	0	8	46.2	33	8	13	0	29	0	19	4	200	0	8.87	5.59	1.59	0.00	23.0	14.5	1.33	.264	2.51	43	2.35	67	6.36	6.4

Games

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Don McMahon D. McMahon	9/29/1957	1957	MIL	vs	CIN	W	0	0.00	0	0	0	0	0.2	1	0	0	0	1	0	1	0	4	0
2	Don McMahon D. McMahon	9/22/1957	1957	MIL	@	CHC	W	0	0.00	4	0	0	0	2.1	0	0	0	0	3	0	0	0	10	0
3	Don McMahon D. McMahon	9/20/1957	1957	MIL	@	CHC		0	0.00	6	0	0	1	2.2	3	0	1	0	1	0	1	0	12	0
4	Don McMahon D. McMahon	9/14/1957	1957	MIL	vs	BKN		0	0.00	0	0	0	0	0.2	0	0	0	0	0	0	0	0	1	0
5	Don McMahon D. McMahon	9/13/1957	1957	MIL	vs	BKN		0	0.00	1	0	0	0	0.1	0	0	0	0	2	0	0	0	3	0
6	Don McMahon D. McMahon	9/8/1957	1957	MIL	vs	CHC		0	0.00	2	0	0	0	2.0	2	0	0	0	1	0	0	0	9	0
7	Don McMahon D. McMahon	9/6/1957	1957	MIL	vs	CHC		0	0.00	2	0	0	0	0.2	0	0	0	0	0	0	0	0	2	0
8	Don McMahon D. McMahon	9/4/1957	1957	MIL	@	STL	L	0	3.86	2	0	0	0	2.1	2	1	1	0	2	0	1	2	12	0
9	Don McMahon D. McMahon	8/30/1957	1957	MIL	@	CIN		0	6.75	3	0	0	0	2.2	1	2	2	0	4	0	0	0	13	0
10	Don McMahon D. McMahon	8/27/1957	1957	MIL	@	NYG		0	0.00	2	0	0	1	2.0	0	0	0	0	0	0	1	0	6	0
11	Don McMahon D. McMahon	8/26/1957	1957	MIL	@	PHI		0	0.00	3	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0
12	Don McMahon D. McMahon	8/23/1957	1957	MIL	@	BKN	L	0	13.50	1	0	0	0	0.2	2	1	1	0	1	0	1	0	5	0
13	Don McMahon D. McMahon	8/18/1957	1957	MIL	vs	STL		0	0.00	0	0	0	0	2.0	0	0	0	0	1	0	1	0	6	0
14	Don McMahon D. McMahon	8/18/1957	1957	MIL	vs	STL		0	0.00	0	0	0	0	1.0	0	0	0	0	0	0	1	0	2	0
15	Don McMahon D. McMahon	8/17/1957	1957	MIL	vs	STL		0	0.00	0	0	0	0	0.1	1	0	0	0	0	0	0	0	3	0
16	Don McMahon D. McMahon	8/14/1957	1957	MIL	@	CIN		0	0.00	2	0	0	1	2.0	1	0	0	0	2	0	1	0	9	0
17	Don McMahon D. McMahon	8/8/1957	1957	MIL	vs	CIN		0	0.00	1	0	0	1	1.0	0	0	0	0	0	0	1	0	3	0
18	Don McMahon D. McMahon	8/3/1957	1957	MIL	vs	BKN		0	13.50	2	0	0	0	1.1	3	2	2	0	3	0	0	0	10	0
19	Don McMahon D. McMahon	7/29/1957	1957	MIL	vs	NYG		0	0.00	0	0	0	0	0.2	1	0	1	0	1	0	0	1	4	0
20	Don McMahon D. McMahon	7/28/1957	1957	MIL	vs	NYG		0	0.00	1	0	0	0	2.0	1	0	0	0	1	0	1	0	7	0
21	Don McMahon D. McMahon	7/25/1957	1957	MIL	vs	PHI		0	0.00	0	0	0	0	2.0	1	0	1	0	1	0	1	0	9	0
22	Don McMahon D. McMahon	7/24/1957	1957	MIL	vs	PHI		0	0.00	1	0	0	0	1.0	0	0	1	0	1	0	1	0	5	0
23	Don McMahon D. McMahon	7/21/1957	1957	MIL	@	NYG	L	0	13.50	0	0	0	0	1.1	4	2	2	0	1	0	1	1	9	0
24	Don McMahon D. McMahon	7/20/1957	1957	MIL	@	NYG		0		0	0	0	0	0.0	3	0	1	0	0	0	0	0	3	0
25	Don McMahon D. McMahon	7/18/1957	1957	MIL	@	PHI		0	0.00	1	0	0	1	0.1	0	0	0	0	0	0	1	0	1	0
	Total							0	1.54	46	0	0	8	46.2	33	8	13	0	29	0	19	4	200	0