who was the last 18 year old or younger to play in the nl

Roberto Rivera was 18 years and 299 days old against the Astros on September 20, 1995.

Interpreted as:

Who was the last 18 year old in a game or younger to play in the nl?

	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	Roberto Rivera R. Rivera	9/20/1995	18-299	CHC	@	HOU	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
2	Roberto Rivera R. Rivera	9/17/1995	18-296	CHC	@	SDP	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
3	Roberto Rivera R. Rivera	9/16/1995	18-295	CHC	@	SDP	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
4	Roberto Rivera R. Rivera	9/12/1995	18-291	CHC	vs	LAD	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
5	Roberto Rivera R. Rivera	9/9/1995	18-288	CHC	vs	SFG	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
6	Roberto Rivera R. Rivera	9/6/1995	18-285	CHC	vs	COL	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
7	Roberto Rivera R. Rivera	9/3/1995	18-282	CHC	@	ATL	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
8	Brian Greer B. Greer	9/13/1977	18-122	SDP	@	LAD	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0
9	Jay Franklin J. Franklin	9/21/1971	18-189	SDP	@	ATL	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
10	Jay Franklin J. Franklin	9/8/1971	18-176	SDP	vs	CIN	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
11	Jay Franklin J. Franklin	9/4/1971	18-172	SDP	vs	ATL	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
12	Gary Nolan G. Nolan	5/26/1967	18-364	CIN	@	PIT	2	0	0	0	0	0	0	1	0	1	0	0	3	0	0	0	0	0	0
13	Gary Nolan G. Nolan	5/20/1967	18-358	CIN	@	PHI	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0
14	Gary Nolan G. Nolan	5/14/1967	18-352	CIN	vs	PHI	2	0	0	0	0	0	0	0	0	2	0	0	3	0	0	1	0	0	0
15	Gary Nolan G. Nolan	5/9/1967	18-347	CIN	@	NYM	2	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0
16	Gary Nolan G. Nolan	4/30/1967	18-338	CIN	vs	NYM	2	0	0	0	0	0	0	1	0	1	0	0	3	0	0	0	0	0	0
17	Gary Nolan G. Nolan	4/25/1967	18-333	CIN	@	SFG	1	0	0	0	0	0	0	1	0	0	0	0	2	0	0	0	0	0	0
18	Gary Nolan G. Nolan	4/20/1967	18-328	CIN	@	LAD	3	0	0	0	0	0	0	0	0	3	0	0	3	0	0	0	0	0	0
19	Gary Nolan G. Nolan	4/15/1967	18-323	CIN	vs	HOU	2	0	0	0	0	0	0	1	0	0	0	0	4	0	0	1	0	0	0
20	Charlie Vaughan C. Vaughan	9/3/1966	18-332	ATL	vs	HOU	4	0	1	0	0	0	0	0	0	1	0	0	4	1	0	0	0	0	0
21	Larry Dierker L. Dierker	9/17/1965	18-360	HOU	@	CIN	2	0	0	0	0	0	0	0	0	0	0	0	3	0	0	1	0	0	0
22	Larry Dierker L. Dierker	9/12/1965	18-355	HOU	@	LAD	2	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0
23	Jim Bethke J. Bethke	9/11/1965	18-310	NYM	vs	MIL	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
24	Jim Bethke J. Bethke	9/8/1965	18-307	NYM	@	CIN	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
25	Willie Crawford W. Crawford	9/6/1965	18-364	LAD	vs	SFG	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0