Jamie Moyer has given up the most career runs in the month of April, with 330 runs.

Interpreted as:

most runs given up by a player in april team

	NAME	R	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Jamie Moyer J. Moyer	330	109	39	33	.542	102	4.36	387	1	0	0	625.0	685	303	86	190	29	1	13	2,729	9	5.57	2.74	2.04	1.24	14.2	7.0	1.40	.294	4.75	9.86
2	Steve Carlton S. Carlton	312	106	42	36	.538	90	3.50	503	29	5	2	681.2	640	265	49	255	5	6	26	2,884	37	6.64	3.37	1.97	0.65	17.4	8.8	1.31	.285	4.12	8.45
3	Jack Morris J. Morris	305	80	35	34	.507	80	4.45	359	27	2	0	566.2	566	280	56	229	12	0	16	2,432	37	5.70	3.64	1.57	0.89	14.8	9.4	1.40	.287	4.84	8.99
4	Bert Blyleven B. Blyleven	301	96	30	36	.455	96	3.61	487	26	6	0	680.2	661	273	69	199	21	0	8	2,843	14	6.44	2.63	2.45	0.91	17.1	7.0	1.26	.286	3.98	8.74
5	Phil Niekro P. Niekro	301	115	34	39	.466	91	3.43	436	27	9	5	671.2	624	256	65	225	14	11	12	2,823	30	5.84	3.01	1.94	0.87	15.4	8.0	1.26	.268	4.03	8.36
6	Don Sutton D. Sutton	288	103	47	37	.560	103	3.27	453	27	9	0	707.1	634	257	67	192	13	0	8	2,916	14	5.76	2.44	2.36	0.85	15.5	6.6	1.17	.259	3.66	8.07
7	Randy Johnson R. Johnson	287	98	49	25	.662	97	3.72	734	18	8	0	644.1	507	266	79	250	34	1	6	2,646	13	10.25	3.49	2.94	1.10	27.7	9.4	1.17	.276	4.01	7.08
8	Nolan Ryan N. Ryan	286	110	51	36	.586	103	3.15	805	27	9	1	727.2	503	255	50	412	22	4	7	3,037	31	9.96	5.10	1.95	0.62	26.5	13.6	1.26	.259	3.54	6.22
9	Dennis Martinez D. Martinez	281	106	28	37	.431	81	4.14	267	6	2	0	544.0	552	250	52	189	24	9	12	2,334	13	4.42	3.13	1.41	0.86	11.4	8.1	1.36	.277	4.65	9.13
10	Greg Maddux G. Maddux	279	109	56	30	.651	108	3.03	470	10	6	0	718.0	658	242	50	146	19	0	25	2,912	10	5.89	1.83	3.22	0.63	16.1	5.0	1.12	.273	3.50	8.25
11	Frank Tanana F. Tanana	267	87	36	30	.545	85	4.05	334	13	3	0	546.1	578	246	59	190	19	0	15	2,356	21	5.50	3.13	1.76	0.97	14.2	8.1	1.41	.296	4.40	9.52
12	Gaylord Perry G. Perry	267	94	42	32	.568	87	3.19	455	40	5	1	677.1	615	240	57	163	15	3	22	2,766	19	6.05	2.17	2.79	0.76	16.4	5.9	1.15	.269	3.55	8.17
13	CC Sabathia	260	85	33	27	.550	85	4.11	429	4	0	0	523.1	503	239	55	172	22	0	7	2,206	11	7.38	2.96	2.49	0.95	19.4	7.8	1.29	.293	4.47	8.65
14	Livan Hernandez L. Hernandez	260	79	25	28	.472	72	4.43	275	5	1	0	479.2	526	236	58	152	8	3	10	2,070	1	5.16	2.85	1.81	1.09	13.3	7.3	1.41	.297	4.88	9.87
15	Bartolo Colon B. Colon	259	93	39	28	.582	87	3.90	432	4	2	0	553.1	547	240	61	147	11	1	2	2,311	6	7.03	2.39	2.94	0.99	18.7	6.4	1.25	.293	4.21	8.90
16	Kenny Rogers K. Rogers	259	104	33	26	.559	76	4.26	286	4	1	2	502.1	508	238	45	185	23	11	3	2,158	16	5.12	3.31	1.55	0.81	13.3	8.6	1.38	.286	4.64	9.10
17	David Wells D. Wells	254	106	37	25	.597	75	4.13	327	7	2	3	525.1	528	241	66	115	16	11	8	2,182	12	5.60	1.97	2.84	1.13	15.0	5.3	1.22	.279	4.35	9.05
18	Tommy John T. John	246	98	41	26	.612	93	3.07	299	20	7	1	632.2	641	216	39	179	14	2	9	2,627	31	4.25	2.55	1.67	0.55	11.4	6.8	1.30	.287	3.50	9.12
19	Roger Clemens R. Clemens	244	103	56	23	.709	103	2.67	693	16	7	0	722.1	544	214	50	244	20	0	6	2,923	13	8.63	3.04	2.84	0.62	23.7	8.3	1.09	.258	3.04	6.78
20	Mike Mussina M. Mussina	243	80	41	23	.641	80	3.80	381	5	1	0	530.2	528	224	61	122	12	0	2	2,191	10	6.46	2.07	3.12	1.03	17.4	5.6	1.22	.289	4.12	8.95
21	Fergie Jenkins F. Jenkins	243	91	42	26	.618	81	3.23	400	35	8	0	604.2	549	217	62	132	6	5	13	2,451	6	5.95	1.96	3.03	0.92	16.3	5.4	1.13	.263	3.62	8.17
22	Joe Niekro J. Niekro	239	87	24	31	.436	74	3.59	228	10	2	1	499.1	467	199	39	212	7	7	10	2,147	17	4.11	3.82	1.08	0.70	10.6	9.9	1.36	.258	4.31	8.42
23	Mark Buehrle M. Buehrle	236	75	32	27	.542	75	4.11	275	2	1	0	479.1	481	219	57	120	20	0	7	1,984	9	5.16	2.25	2.29	1.07	13.9	6.0	1.25	.280	4.43	9.03
24	Roy Halladay R. Halladay	228	76	37	23	.617	73	3.77	390	14	3	1	513.2	491	215	51	112	17	2	7	2,105	9	6.83	1.96	3.48	0.89	18.5	5.3	1.17	.287	3.99	8.60
25	Charlie Hough C. Hough	227	113	21	23	.477	53	3.98	295	10	1	9	463.0	411	205	44	214	21	33	5	1,987	19	5.73	4.16	1.38	0.86	14.8	10.8	1.35	.260	4.41	7.99