when was the last time a pitcher pitched a complete game shutout with at least 15 ks

Jacob deGrom pitched a shutout in a complete game when striking out 15+ batters against the Nationals on April 23, 2021.

	NAME	DATE	SHO	CG	SO	TM		OPP	DEC	GS	ERA	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Jacob deGrom J. deGrom	4/23/2021	1	1	15	NYM	vs	WSH	W	1	0.00	0	9.0	2	0	0	0	0	0	0	0	29	0
2	Shane Bieber S. Bieber	5/19/2019	1	1	15	CLE	vs	BAL	W	1	0.00	0	9.0	5	0	0	0	0	0	0	0	31	0
3	Gerrit Cole G. Cole	5/4/2018	1	1	16	HOU	@	ARI	W	1	0.00	0	9.0	1	0	0	0	1	0	0	0	29	0
4	Jon Gray J. Gray	9/17/2016	1	1	16	COL	vs	SDP	W	1	0.00	0	9.0	4	0	0	0	0	0	0	0	31	0
5	Vince Velasquez V. Velasquez	4/14/2016	1	1	16	PHI	vs	SDP	W	1	0.00	0	9.0	3	0	0	0	0	0	0	0	30	0
6	Max Scherzer M. Scherzer	10/3/2015	1	1	17	WSH	@	NYM	W	1	0.00	0	9.0	0	0	0	0	0	0	0	0	28	0
7	Carlos Carrasco C. Carrasco	9/25/2015	1	1	15	CLE	@	KCR	W	1	0.00	0	9.0	1	0	0	0	2	0	0	0	29	0
8	Max Scherzer M. Scherzer	6/14/2015	1	1	16	WSH	@	MIL	W	1	0.00	0	9.0	1	0	0	0	1	0	0	0	29	0
9	Clayton Kershaw C. Kershaw	6/18/2014	1	1	15	LAD	vs	COL	W	1	0.00	0	9.0	0	0	0	0	0	0	0	0	28	0
10	Brandon Morrow B. Morrow	8/8/2010	1	1	17	TOR	vs	TBR	W	1	0.00	0	9.0	1	0	0	0	2	0	0	0	31	0
11	Erik Bedard E. Bedard	7/7/2007	1	1	15	BAL	@	TEX	W	1	0.00	0	9.0	2	0	0	0	0	0	0	0	27	0
12	Randy Johnson R. Johnson	9/14/2002	1	1	17	ARI	vs	MIL	W	1	0.00	0	9.0	3	0	0	0	2	0	0	0	32	0
13	Randy Johnson R. Johnson	8/25/2002	1	1	16	ARI	vs	CHC	W	1	0.00	0	9.0	6	0	0	0	2	0	0	0	35	0
14	Curt Schilling C. Schilling	4/7/2002	1	1	17	ARI	@	MIL	W	1	0.00	0	9.0	1	0	0	0	2	0	0	0	29	0
15	Roger Clemens R. Clemens	10/14/2000	1	1	15	NYY	@	SEA	W	1	0.00	0	9.0	1	0	0	0	2	0	0	0	30	0
16	Mike Mussina M. Mussina	8/1/2000	1	1	15	BAL	vs	MIN	W	1	0.00	0	9.0	1	0	0	0	2	0	0	0	32	0
17	Pedro Martinez P. Martinez	7/23/2000	1	1	15	BOS	vs	CWS	W	1	0.00	0	9.0	6	0	0	0	0	1	0	0	34	0
18	Pedro Martinez P. Martinez	5/12/2000	1	1	15	BOS	@	BAL	W	1	0.00	0	9.0	2	0	0	0	0	0	0	0	29	0
19	Randy Johnson R. Johnson	8/28/1998	1	1	16	HOU	vs	PIT	W	1	0.00	0	9.0	7	0	0	0	0	0	0	0	34	0
20	Roger Clemens R. Clemens	8/25/1998	1	1	18	TOR	vs	KCR	W	1	0.00	0	9.0	3	0	0	0	0	0	0	0	30	0
21	Randy Johnson R. Johnson	7/11/1998	1	1	15	SEA	vs	ANA	W	1	0.00	0	9.0	5	0	0	0	2	0	0	0	34	0
22	Kerry Wood K. Wood	5/6/1998	1	1	20	CHC	vs	HOU	W	1	0.00	0	9.0	1	0	0	0	0	1	0	0	29	0
23	Randy Johnson R. Johnson	8/8/1997	1	1	19	SEA	vs	CWS	W	1	0.00	0	9.0	5	0	0	0	3	0	0	0	35	0
24	David Wells D. Wells	7/30/1997	1	1	16	NYY	vs	OAK	W	1	0.00	0	9.0	3	0	0	0	3	0	0	0	33	0
25	Roger Clemens R. Clemens	9/18/1996	1	1	20	BOS	@	DET	W	1	0.00	0	9.0	5	0	0	0	0	0	0	0	32	1