The Kansas City Royals have a 21-28 record on May 21 all-time.

	TEAM	DATE	REC	TM		OPP	RESULT	W%	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Royals	5/21/1969	1-0	KCR	@	CLE	W 4-0	1.000	32	4	7	0	0	3	4	2	0	3	1	2	34	16	3	0	0	0	0	.219	.265	.500	.765
2	Royals	5/21/1972	0-1	KCR	vs	OAK	L 2-5	.000	37	2	9	1	0	1	2	2	0	6	0	0	39	13	2	0	0	0	0	.243	.282	.351	.633
3	Royals	5/21/1973	0-1	KCR	@	OAK	L 0-5	.000	31	0	8	0	0	0	0	4	0	7	0	2	35	8	0	0	0	0	1	.258	.343	.258	.601
4	Royals	5/21/1974	1-0	KCR	vs	CAL	W 4-2	1.000	32	4	8	2	0	2	4	0	0	3	0	0	32	16	4	0	0	0	0	.250	.250	.500	.750
5	Royals	5/21/1975	1-0	KCR	@	NYY	W 4-1	1.000	37	4	7	1	0	1	4	2	0	7	0	1	39	11	2	0	0	0	0	.189	.231	.297	.528
6	Royals	5/21/1976	1-0	KCR	@	MIN	W 5-1	1.000	38	5	14	3	0	1	5	1	0	1	2	2	39	20	4	0	0	0	1	.368	.385	.526	.911
7	Royals	5/21/1977	0-1	KCR	vs	CLE	L 7-12	.000	44	7	12	2	1	2	7	9	0	4	1	0	53	22	5	0	0	4	3	.273	.396	.500	.896
8	Royals	5/21/1978	0-1	KCR	vs	MIN	L 2-3	.000	33	2	6	3	1	0	2	2	0	1	1	0	35	11	4	0	0	0	0	.182	.229	.333	.562
9	Royals	5/21/1979	0-1	KCR	vs	SEA	L 7-12	.000	36	7	11	2	3	1	7	2	0	5	1	0	40	22	6	0	2	0	0	.306	.325	.611	.936
10	Royals	5/21/1980	0-1	KCR	vs	OAK	L 2-4	.000	50	2	9	3	0	0	2	4	0	4	1	0	56	12	3	2	0	0	0	.180	.241	.240	.481
11	Royals	5/21/1982	1-0	KCR	vs	TEX	W 3-0	1.000	29	3	8	3	0	0	3	3	0	5	1	1	33	11	3	0	1	2	0	.276	.333	.379	.713
12	Royals	5/21/1983	1-0	KCR	vs	CWS	W 8-4	1.000	37	8	14	6	0	0	8	3	0	4	2	0	40	20	6	0	0	1	0	.378	.425	.541	.966
13	Royals	5/21/1984	0-1	KCR	vs	CWS	L 4-8	.000	34	4	8	0	0	3	4	3	0	3	1	0	37	17	3	0	0	0	1	.235	.297	.500	.797
14	Royals	5/21/1985	1-0	KCR	@	TEX	W 5-0	1.000	32	5	5	1	0	3	5	2	0	4	0	0	34	15	4	0	0	0	1	.156	.206	.469	.675
15	Royals	5/21/1986	0-1	KCR	@	TEX	L 1-2	.000	36	1	6	2	0	0	1	0	0	7	1	1	36	8	2	0	0	0	0	.167	.167	.222	.389
16	Royals	5/21/1988	0-1	KCR	vs	CLE	L 5-9	.000	34	5	8	0	0	3	5	3	0	3	0	0	37	17	3	0	0	0	2	.235	.297	.500	.797
17	Royals	5/21/1989	0-1	KCR	@	DET	L 2-4	.000	32	2	9	0	0	0	2	3	2	9	0	0	37	9	0	0	0	0	3	.281	.378	.281	.660
18	Royals	5/21/1990	0-1	KCR	@	DET	L 6-11	.000	35	6	9	3	0	3	5	3	0	6	0	1	38	21	6	0	0	0	0	.257	.316	.600	.916
19	Royals	5/21/1991	1-0	KCR	vs	SEA	W 4-3	1.000	30	4	8	3	0	1	4	1	0	3	1	1	31	14	4	0	0	0	0	.267	.290	.467	.757
20	Royals	5/21/1992	1-0	KCR	@	TEX	W 7-5	1.000	33	7	6	3	0	2	7	3	0	9	1	0	37	15	5	0	1	0	0	.182	.243	.455	.698
21	Royals	5/21/1993	1-0	KCR	vs	SEA	W 2-1	1.000	30	2	6	0	0	1	2	1	0	8	0	0	31	9	1	0	0	0	1	.200	.226	.300	.526
22	Royals	5/21/1994	0-1	KCR	@	CAL	L 0-3	.000	31	0	4	1	0	0	0	3	0	10	1	0	34	5	1	0	0	0	0	.129	.206	.161	.367
23	Royals	5/21/1995	0-1	KCR	vs	OAK	L 2-7	.000	33	2	7	2	0	0	2	2	0	4	1	0	35	9	2	0	0	0	0	.212	.257	.273	.530
24	Royals	5/21/1996	1-0	KCR	@	DET	W 7-1	1.000	37	7	12	2	0	0	7	5	0	6	0	0	42	14	2	0	0	2	1	.324	.405	.378	.783
25	Royals	5/21/1997	0-1	KCR	@	CLE	L 0-1	.000	31	0	6	0	0	0	0	4	0	6	0	1	35	6	0	0	0	0	0	.194	.286	.194	.479
	Total		21-28					.429	1,677	200	424	66	8	57	194	131	15	279	30	19	1,844	677	131	8	13	12	33	.253	.310	.404	.714