who was the last 17 year old or younger to play in mlb

Jay Dahl was 17 years and 295 days old versus the Mets on September 27, 1963.

	NAME	DATE	Age	TM		OPP	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	Jay Dahl J. Dahl	9/27/1963	17-295	HOU	vs	NYM	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
2	Ed Kirkpatrick E. Kirkpatrick	9/30/1962	17-357	LAA	@	CLE	4	0	0	0	0	0	0	0	0	2	0	0	4	0	0	0	0	0	0
3	Ed Kranepool E. Kranepool	9/30/1962	17-326	NYM	@	CHC	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0
4	Ed Kranepool E. Kranepool	9/23/1962	17-319	NYM	vs	CHC	4	0	1	1	0	0	0	0	0	0	0	0	4	2	1	0	0	0	0
5	Ed Kranepool E. Kranepool	9/22/1962	17-318	NYM	vs	CHC	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
6	Ed Kirkpatrick E. Kirkpatrick	9/15/1962	17-342	LAA	vs	DET	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
7	Ed Kirkpatrick E. Kirkpatrick	9/13/1962	17-340	LAA	vs	KCA	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
8	Danny Murphy D. Murphy	7/17/1960	17-329	CHC	@	STL	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0
9	Danny Murphy D. Murphy	7/15/1960	17-327	CHC	@	STL	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0
10	Danny Murphy D. Murphy	7/10/1960	17-322	CHC	@	SFG	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
11	Danny Murphy D. Murphy	7/7/1960	17-319	CHC	@	LAD	4	0	1	0	0	0	0	0	0	3	0	0	4	1	0	0	0	0	0
12	Danny Murphy D. Murphy	7/6/1960	17-318	CHC	vs	STL	5	0	1	1	0	0	1	0	0	2	0	0	5	2	1	0	0	0	1
13	Danny Murphy D. Murphy	7/5/1960	17-317	CHC	vs	STL	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
14	Danny Murphy D. Murphy	7/4/1960	17-316	CHC	vs	SFG	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
15	Danny Murphy D. Murphy	7/4/1960	17-316	CHC	vs	SFG	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
16	Danny Murphy D. Murphy	6/30/1960	17-312	CHC	vs	MIL	1	0	0	0	0	0	0	0	0	0	0	0	2	0	0	1	0	0	0
17	Danny Murphy D. Murphy	6/29/1960	17-311	CHC	vs	MIL	3	0	0	0	0	0	0	0	1	0	0	0	4	0	0	0	0	0	0
18	Danny Murphy D. Murphy	6/29/1960	17-311	CHC	vs	MIL	4	0	0	0	0	0	0	0	0	1	0	0	4	0	0	0	0	0	0
19	Danny Murphy D. Murphy	6/26/1960	17-308	CHC	@	PIT	5	1	1	1	0	0	1	0	0	0	0	0	5	2	1	0	0	0	1
20	Danny Murphy D. Murphy	6/26/1960	17-308	CHC	@	PIT	5	1	1	0	0	0	0	0	0	1	0	0	5	1	0	0	0	0	0
21	Danny Murphy D. Murphy	6/25/1960	17-307	CHC	@	PIT	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
22	Danny Murphy D. Murphy	6/23/1960	17-305	CHC	@	PHI	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
23	Danny Murphy D. Murphy	6/21/1960	17-303	CHC	@	PHI	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
24	Danny Murphy D. Murphy	6/21/1960	17-303	CHC	@	PHI	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0
25	Danny Murphy D. Murphy	6/19/1960	17-301	CHC	@	CIN	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0

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Results may be incomplete. StatMuse has complete game-level data for player age going back to the 1908 season.

Some of the information used here was obtained free of charge from Retrosheet.

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DATE	MATCHUP			TIME (ET)
Tue 9/29	CWS	@	HOU	5:00 PM
Wed 9/30	CWS	@	HOU	5:00 PM
Thu 10/1	CWS	@	HOU	5:00 PM

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Sun 9/13	COL	@	DET	1-8
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Tue 9/29	PHI	@	ATL	2:00 PM
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Jay Dahl was 17 years and 295 days old versus the Mets on September 27, 1963.

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