The Kansas City Royals have a run differential per game of -0.24 all-time.

Interpreted as:

royals average run differential per game

	TEAM	DIFF/G	DIFF	G	SEASON	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	-0.63	-102	163	1969	.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	-0.58	-94	162	1970	.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	0.23	37	161	1971	.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	0.23	35	154	1972	.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	0.02	3	162	1973	.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	0.03	5	162	1974	.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	0.38	61	162	1975	.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	0.63	102	162	1976	.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	1.06	171	162	1977	.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	0.67	109	162	1978	.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	0.22	35	162	1979	.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	0.71	115	162	1980	.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	-0.08	-8	103	1981	.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	0.41	67	162	1982	.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	-0.44	-71	163	1983	.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	-0.08	-13	162	1984	.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	0.3	48	162	1985	.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	-0.12	-19	162	1986	.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	0.15	24	162	1987	.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	0.35	56	161	1988	.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	0.34	55	162	1989	.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	-0.01	-2	161	1990	.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	0.03	5	162	1991	.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	-0.35	-57	162	1992	.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	-0.12	-19	162	1993	.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	-0.24	-2,178	8,902		.477	4,242	4,658	304,491	38,904	79,965	14,942	2,293	7,018	36,718	26,040	2,465	52,263	7,103	2,903	338,045	120,547	24,253	2,374	2,675	1,870	6,793	.263	.323	.396	.719