The Kansas City Royals have a run differential of -2,171 runs all-time.

	TEAM	DIFF	SEASON	G	W%	W	L	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	-102	1969	163	.426	69	93	5,462	586	1,311	179	32	98	538	522	43	901	129	70	6,122	1,848	309	57	38	40	125	.240	.309	.338	.648
2	Royals	-94	1970	162	.401	65	97	5,503	611	1,341	202	41	97	572	514	21	958	97	53	6,128	1,916	340	63	27	42	126	.244	.309	.348	.657
3	Royals	37	1971	161	.528	85	76	5,295	603	1,323	225	40	80	573	490	25	819	130	46	5,914	1,868	345	45	59	54	128	.250	.313	.353	.666
4	Royals	35	1972	154	.494	76	78	5,167	580	1,317	220	26	78	547	534	34	711	85	44	5,845	1,823	324	72	38	57	134	.255	.327	.353	.679
5	Royals	3	1973	162	.543	88	74	5,508	755	1,440	239	40	114	703	644	26	696	105	69	6,274	2,101	393	49	47	44	134	.261	.339	.381	.720
6	Royals	5	1974	162	.475	77	85	5,582	667	1,448	232	42	89	623	550	32	768	146	76	6,263	2,031	363	56	43	42	133	.259	.327	.364	.691
7	Royals	61	1975	162	.562	91	71	5,491	710	1,431	263	58	118	667	591	29	675	155	75	6,230	2,164	439	68	51	47	109	.261	.333	.394	.727
8	Royals	102	1976	162	.556	90	72	5,540	713	1,490	259	57	65	656	484	31	650	218	106	6,197	2,058	381	71	71	36	103	.269	.327	.371	.699
9	Royals	171	1977	162	.630	102	60	5,594	822	1,549	299	77	146	773	522	45	687	170	87	6,268	2,440	522	49	58	50	104	.277	.340	.436	.776
10	Royals	109	1978	162	.568	92	70	5,474	743	1,469	305	59	98	695	498	30	644	216	84	6,129	2,186	462	55	72	44	95	.268	.329	.399	.728
11	Royals	35	1979	162	.525	85	77	5,653	851	1,596	286	79	116	791	528	35	675	207	76	6,349	2,388	481	57	76	56	114	.282	.343	.422	.766
12	Royals	115	1980	162	.599	97	65	5,714	809	1,633	266	59	115	766	508	38	709	185	43	6,357	2,362	440	34	63	45	147	.286	.345	.413	.758
13	Royals	-8	1981	103	.485	50	53	3,560	397	952	169	29	61	381	301	17	419	100	53	3,941	1,362	259	28	35	34	84	.267	.325	.383	.707
14	Royals	67	1982	162	.556	90	72	5,629	784	1,603	295	58	132	746	442	25	758	133	48	6,177	2,410	485	32	49	37	140	.285	.337	.428	.765
15	Royals	-71	1983	163	.488	79	83	5,598	696	1,515	273	54	109	653	397	23	722	182	47	6,083	2,223	436	32	33	41	123	.271	.320	.397	.717
16	Royals	-13	1984	162	.519	84	78	5,543	673	1,487	269	52	117	639	400	24	832	106	64	6,063	2,211	438	41	55	39	128	.268	.317	.399	.716
17	Royals	48	1985	162	.562	91	71	5,500	687	1,384	261	49	154	657	473	36	840	128	48	6,094	2,205	464	44	41	57	125	.252	.313	.401	.714
18	Royals	-19	1986	162	.469	76	86	5,561	654	1,403	264	45	137	618	474	36	919	97	46	6,128	2,168	446	24	33	40	101	.252	.313	.390	.703
19	Royals	24	1987	162	.512	83	79	5,499	715	1,443	239	40	168	677	523	30	1,034	125	43	6,128	2,266	447	34	42	32	127	.262	.328	.412	.740
20	Royals	56	1988	161	.522	84	77	5,469	704	1,419	275	40	121	671	486	33	944	137	54	6,085	2,137	436	46	51	44	105	.259	.321	.391	.712
21	Royals	55	1989	162	.568	92	70	5,475	690	1,428	227	41	101	653	554	29	897	154	51	6,150	2,040	369	42	50	50	141	.261	.329	.373	.702
22	Royals	-2	1990	161	.466	75	86	5,488	707	1,465	316	44	100	660	498	27	879	107	62	6,098	2,169	460	31	54	32	132	.267	.328	.395	.723
23	Royals	5	1991	162	.506	82	80	5,584	727	1,475	290	41	117	689	523	35	969	119	68	6,242	2,198	448	53	47	47	126	.264	.328	.394	.722
24	Royals	-57	1992	162	.444	72	90	5,501	610	1,411	284	42	75	568	439	51	741	131	71	6,082	2,004	401	45	46	30	121	.256	.315	.364	.679
25	Royals	-19	1993	162	.519	84	78	5,522	675	1,455	294	35	125	641	428	52	936	100	75	6,101	2,194	454	48	51	50	107	.263	.320	.397	.717
	Total	-2,171		8,954	.477	4,268	4,684	306,228	39,129	80,376	15,045	2,299	7,080	36,940	26,186	2,496	52,619	7,145	2,915	339,981	121,259	24,424	2,384	2,687	1,876	6,826	.262	.323	.396	.719