The first World Series was played as an arrangement between the owners of Boston and Pittsburgh clubs rather than a formal arrangement between the two leagues.

1903 Regular Season Results

Date    OpponentResultScoreRecord
4/16at StL CardinalsL  1-2 0-1
4/17at StL CardinalsW  7-6 1-1
4/18at StL CardinalsW  5-4 2-1
4/19at StL CardinalsL  0-3 2-2
4/22vs CincinnatiL  3-5 2-3
4/23vs CincinnatiW  5-3 3-3
4/25vs CincinnatiW  7-3 4-3
4/26vs PittsburgW  9-6 5-3
4/27at CincinnatiW  13-5 6-3
4/28at CincinnatiL  4-9 6-4
4/29at CincinnatiW  7-3 7-4
5/1at CincinnatiL  0-6 7-5
5/2at PittsburgW  10-5 8-5
5/3vs PittsburgL  2-3 8-6
5/4at PittsburgL  3-5 8-7
5/5at PittsburgL  3-8 8-8
5/6at PittsburgW  11-4 9-8
5/7at StL CardinalsW  10-1 10-8
5/8at StL CardinalsW  3-2 11-8
5/9at StL CardinalsW  5-3 12-8
5/10at StL CardinalsW  6-3 13-8
5/10at StL CardinalsW  13-8 14-8
5/12at BrooklynW  6-3 15-8
5/13at BrooklynW  3-1 16-8
5/14at BrooklynL  3-4 16-9
5/15at BrooklynW  7-4 17-9
5/16at Bos. BeaneatersW  6-1 18-9
5/18at Bos. BeaneatersW  4-2 19-9
5/20at Bos. BeaneatersW  2-0 20-9
5/21at Phil. PhilliesW  11-6 21-9
5/22at Phil. PhilliesW  8-4 22-9
5/23at Phil. PhilliesW  14-1 23-9
5/25at Phil. PhilliesW  8-4 24-9
5/26at NY GiantsL  3-4 24-10
5/27at NY GiantsL  4-5 24-11
5/28at NY GiantsW  7-1 25-11
5/30vs StL CardinalsW  5-2 26-11
5/30vs StL CardinalsW  2-1 27-11
5/31vs StL CardinalsW  17-4 28-11
6/2vs BrooklynW  4-3 29-11
6/3vs BrooklynW  11-3 30-11
6/4vs NY GiantsL  1-9 30-12
6/5vs NY GiantsL  2-5 30-13
6/6vs NY GiantsL  4-7 30-14
6/7vs NY GiantsL  4-9 30-15
6/8vs Bos. BeaneatersW  8-6 31-15
6/9vs Bos. BeaneatersW  4-1 32-15
6/10vs Bos. BeaneatersW  7-3 33-15
6/12vs Phil. PhilliesL  5-12 33-16
6/13vs Phil. PhilliesL  2-3 33-17
6/14vs Phil. PhilliesW  4-2 34-17
6/15at PittsburgL  0-3 34-18
6/16at PittsburgL  3-6 34-19
6/18at NY GiantsW  1-0 35-19
6/22at NY GiantsL  4-5 35-20
6/22at NY GiantsW  10-6 36-20
6/25at BrooklynL  7-10 36-21
6/25at BrooklynW  3-1 37-21
6/26at Bos. BeaneatersL  4-5 37-22
6/27at Bos. BeaneatersL  7-8 37-23
6/27at Bos. BeaneatersL  1-7 37-24
6/30at Phil. PhilliesW  7-2 38-24
7/1at Phil. PhilliesL  4-12 38-25
7/2at Phil. PhilliesL  2-7 38-26
7/4vs NY GiantsW  16-9 39-26
7/5vs NY GiantsL  1-7 39-27
7/6vs NY GiantsL  1-5 39-28
7/7vs Phil. PhilliesL  3-6 39-29
7/8vs Phil. PhilliesW  7-5 40-29
7/9vs Phil. PhilliesW  6-1 41-29
7/10vs Phil. PhilliesW  7-4 42-29
7/11vs BrooklynL  0-2 42-30
7/12vs BrooklynW  6-1 43-30
7/13vs BrooklynL  4-6 43-31
7/14vs BrooklynW  2-1 44-31
7/15vs Bos. BeaneatersW  9-4 45-31
7/16vs Bos. BeaneatersL  2-4 45-32
7/18vs Bos. BeaneatersW  3-2 46-32
7/18vs Bos. BeaneatersL  4-5 46-33
7/19vs PittsburgW  8-5 47-33
7/20vs PittsburgW  3-2 48-33
7/21vs PittsburgW  3-1 49-33
7/23vs CincinnatiW  5-2 50-33
7/24vs CincinnatiL  5-8 50-34
7/25vs CincinnatiW  6-3 51-34
7/25vs CincinnatiL  3-8 51-35
7/26vs StL CardinalsW  9-1 52-35
7/27vs StL CardinalsL  3-4 52-36
7/28vs StL CardinalsW  9-2 53-36
7/29vs StL CardinalsW  3-2 54-36
7/30at CincinnatiL  0-15 54-37
7/31at CincinnatiL  4-10 54-38
8/1at CincinnatiL  4-13 54-39
8/2at CincinnatiW  5-0 55-39
8/4vs PittsburgW  1-0 56-39
8/5vs PittsburgW  9-2 57-39
8/8vs PittsburgL  1-2 57-40
8/9vs PittsburgW  4-3 58-40
8/12at Bos. BeaneatersW  7-4 59-40
8/12at Bos. BeaneatersL  10-11 59-41
8/13at Bos. BeaneatersW  7-3 60-41
8/14at Bos. BeaneatersW  6-3 61-41
8/19at BrooklynL  2-6 61-42
8/19at BrooklynW  6-5 62-42
8/20at BrooklynL  1-2 62-43
8/21at BrooklynW  9-4 63-43
8/22at NY GiantsW  8-3 64-43
8/24at NY GiantsW  7-3 65-43
8/24at NY GiantsL  1-8 65-44
8/27at CincinnatiL  1-8 65-45
8/28at CincinnatiL  3-5 65-46
8/30vs CincinnatiW  3-2 66-46
8/31vs CincinnatiW  6-3 67-46
9/1vs CincinnatiL  0-3 67-47
9/2vs StL CardinalsW  5-1 68-47
9/3vs StL CardinalsL  2-5 68-48
9/5vs StL CardinalsW  3-2 69-48
9/5vs StL CardinalsW  6-4 70-48
9/6vs PittsburgL  1-5 70-49
9/7at PittsburgW  13-8 71-49
9/7at PittsburgL  6-7 71-50
9/8at PittsburgW  7-6 72-50
9/9at PittsburgW  3-1 73-50
9/11vs BrooklynL  2-3 73-51
9/12vs BrooklynL  5-7 73-52
9/13vs BrooklynW  5-4 74-52
9/14vs BrooklynW  6-2 75-52
9/17vs Phil. PhilliesW  6-1 76-52
9/17vs Phil. PhilliesW  6-5 77-52
9/18vs Phil. PhilliesW  6-5 78-52
9/18vs Phil. PhilliesL  0-10 78-53
9/19vs NY GiantsW  3-0 79-53
9/20vs NY GiantsL  2-6 79-54
9/21vs NY GiantsL  3-8 79-55
9/22vs NY GiantsW  6-1 80-55
9/24vs Bos. BeaneatersW  7-4 81-55
9/26vs Bos. BeaneatersL  3-4 81-56
9/27vs Bos. BeaneatersW  10-3 82-56