The teams ranked 1st in 1903 American-League and National-League Standings

	Team	W	L	PCT	GB	L10	STRK	RS	RA	DIFF	X-W/L	HOME	AWAY	>.500
1st in MLB	Boston Americans	91	47	.659	-	5-4	W3	708	504	+204	92-49	49-20	42-27	38-21
1st in American-League	Boston Americans	91	47	.659	-	5-4	W3	708	504	+204	92-49	49-20	42-27	38-21
1st in National-League	Pittsburgh Pirates	91	49	.650	-	4-6	L2	793	613	+180	87-54	46-24	45-25	45-35

1903 MLB Standings

Rank	TEAM	W	L	PCT	GB	WCGB	L10	STRK	RS	RA	DIFF	X-W/L	HOME	AWAY	>.500
1	Boston Americans	91	47	.659	-	/	5-4	W3	708	504	+204	92-49	49-20	42-27	38-21
2	Pittsburgh Pirates	91	49	.650	1.0	/	4-6	L2	793	613	+180	87-54	46-24	45-25	45-35
3	New York Giants	84	55	.604	7.5	/	5-5	W2	729	567	+162	87-55	41-27	43-28	42-37
4	Chicago Cubs	82	56	.594	9.0	/	6-4	W1	695	599	+96	79-60	45-28	37-28	41-39
5	Philadelphia Athletics	75	60	.556	14.5	/	8-2	L1	597	519	+78	77-60	44-21	31-39	25-32
6	Cleveland Naps	77	63	.550	15.0	/	5-5	W1	639	579	+60	76-64	49-25	28-38	31-29
7	New York Highlanders	72	62	.537	17.0	/	7-3	W3	579	573	+6	69-67	41-26	31-36	23-35
8	Cincinnati Reds	74	65	.532	17.5	/	4-6	W1	765	656	+109	80-61	41-35	33-30	37-43
9	Brooklyn Superbas	70	66	.515	20.0	/	6-3	L1	667	682	-15	68-71	40-33	30-33	34-45
10	Detroit Tigers	65	71	.478	25.0	/	4-5	L3	567	539	+28	72-65	37-28	28-43	41-37
11	St. Louis Browns	65	74	.468	26.5	/	3-7	L3	500	525	-25	66-73	38-32	27-42	28-51
12	Chicago White Sox	60	77	.438	30.5	/	4-6	W3	516	613	-97	58-80	41-28	19-49	29-49
13	Boston Beaneaters	58	80	.420	33.0	/	5-5	L1	578	699	-121	58-82	31-35	27-45	36-64
14	Philadelphia Phillies	49	86	.363	40.5	/	7-3	L1	617	738	-121	58-81	25-33	24-53	31-66
15	St. Louis Cardinals	43	94	.314	47.5	/	1-8	W1	505	795	-290	42-97	22-45	21-49	25-72
16	Washington Senators	43	94	.314	47.5	/	3-7	L5	437	691	-254	42-98	29-40	14-54	17-61

1903 League Standings

Rank	American League	W	L	PCT	GB	WCGB	L10	STRK	RS	RA	DIFF	X-W/L	HOME	AWAY	>.500
1	Boston Americans	91	47	.659	-	/	5-4	W3	708	504	+204	92-49	49-20	42-27	38-21
2	Philadelphia Athletics	75	60	.556	14.5	/	8-2	L1	597	519	+78	77-60	44-21	31-39	25-32
3	Cleveland Naps	77	63	.550	15.0	/	5-5	W1	639	579	+60	76-64	49-25	28-38	31-29
4	New York Highlanders	72	62	.537	17.0	/	7-3	W3	579	573	+6	69-67	41-26	31-36	23-35
5	Detroit Tigers	65	71	.478	25.0	/	4-5	L3	567	539	+28	72-65	37-28	28-43	41-37
6	St. Louis Browns	65	74	.468	26.5	/	3-7	L3	500	525	-25	66-73	38-32	27-42	28-51
7	Chicago White Sox	60	77	.438	30.5	/	4-6	W3	516	613	-97	58-80	41-28	19-49	29-49
8	Washington Senators	43	94	.314	47.5	/	3-7	L5	437	691	-254	42-98	29-40	14-54	17-61
Rank	National League	W	L	PCT	GB	/	L10	STRK	RS	RA	DIFF	X-W/L	HOME	AWAY	>.500
1	Pittsburgh Pirates	91	49	.650	-	/	4-6	L2	793	613	+180	87-54	46-24	45-25	45-35
2	New York Giants	84	55	.604	6.5	/	5-5	W2	729	567	+162	87-55	41-27	43-28	42-37
3	Chicago Cubs	82	56	.594	8.0	/	6-4	W1	695	599	+96	79-60	45-28	37-28	41-39
4	Cincinnati Reds	74	65	.532	16.5	/	4-6	W1	765	656	+109	80-61	41-35	33-30	37-43
5	Brooklyn Superbas	70	66	.515	19.0	/	6-3	L1	667	682	-15	68-71	40-33	30-33	34-45
6	Boston Beaneaters	58	80	.420	32.0	/	5-5	L1	578	699	-121	58-82	31-35	27-45	36-64
7	Philadelphia Phillies	49	86	.363	39.5	/	7-3	L1	617	738	-121	58-81	25-33	24-53	31-66
8	St. Louis Cardinals	43	94	.314	46.5	/	1-8	W1	505	795	-290	42-97	22-45	21-49	25-72

1903 Divison Standings

There was no Divison Standings in the 1903 season.