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