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
4/20vs Phil. A'sW  9-4 1-0
4/20vs Phil. A'sL  7-10 1-1
4/22at Phil. A'sL  1-6 1-2
4/23at Phil. A'sL  4-7 1-3
4/24at Phil. A'sW  2-1 2-3
4/25at Phil. A'sW  4-0 3-3
4/27at WashingtonL  3-6 3-4
4/28at WashingtonW  11-4 4-4
4/29at WashingtonL  5-9 4-5
4/30vs Phil. A'sL  2-12 4-6
5/1vs Phil. A'sW  4-2 5-6
5/2vs Phil. A'sL  0-3 5-7
5/4vs WashingtonW  6-4 6-7
5/6vs WashingtonW  6-3 7-7
5/7vs NY HighlandersW  6-2 8-7
5/8vs NY HighlandersL  1-6 8-8
5/9vs NY HighlandersW  12-5 9-8
5/11at ClevelandL  5-6 9-9
5/12at ClevelandW  10-5 10-9
5/13at ClevelandL  1-2 10-10
5/14at ClevelandW  10-4 11-10
5/15at DetroitL  6-8 11-11
5/16at DetroitW  9-6 12-11
5/18at DetroitL  1-12 12-12
5/19at DetroitW  3-2 13-12
5/20at StL BrownsL  3-4 13-13
5/22at StL BrownsL  4-6 13-14
5/23at Chi. White SoxW  4-1 14-14
5/24at Chi. White SoxW  7-0 15-14
5/26at Chi. White SoxL  2-3 15-15
5/28vs WashingtonW  5-4 16-15
5/29vs WashingtonW  7-2 17-15
5/30vs WashingtonW  3-2 18-15
5/30vs WashingtonW  4-0 19-15
6/1at NY HighlandersW  8-2 20-15
6/2at NY HighlandersW  9-0 21-15
6/3at NY HighlandersW  9-3 22-15
6/4vs Chi. White SoxW  10-3 23-15
6/5vs Chi. White SoxW  10-8 24-15
6/6vs Chi. White SoxW  10-2 25-15
6/8vs DetroitW  6-1 26-15
6/9vs DetroitL  3-7 26-16
6/10vs DetroitL  0-5 26-17
6/11vs StL BrownsW  2-0 27-17
6/13vs StL BrownsW  7-0 28-17
6/16vs ClevelandL  0-7 28-18
6/17vs ClevelandL  1-3 28-19
6/17vs ClevelandW  6-1 29-19
6/18at ClevelandL  4-5 29-20
6/19at ClevelandW  5-3 30-20
6/20at ClevelandW  5-4 31-20
6/21at ClevelandW  12-7 32-20
6/23at DetroitW  1-0 33-20
6/24at DetroitL  1-2 33-21
6/25at StL BrownsW  7-1 34-21
6/27at StL BrownsW  6-0 35-21
6/28at StL BrownsW  1-0 36-21
6/28at StL BrownsW  3-0 37-21
6/29at Chi. White SoxW  7-2 38-21
6/30at Chi. White SoxL  3-10 38-22
7/1at Chi. White SoxW  1-0 39-22
7/2at Chi. White SoxL  2-6 39-23
7/4vs StL BrownsW  4-1 40-23
7/4vs StL BrownsW  2-0 41-23
7/6vs StL BrownsW  8-6 42-23
7/7vs StL BrownsL  2-3 42-24
7/8vs Chi. White SoxW  6-1 43-24
7/9vs Chi. White SoxW  5-3 44-24
7/10vs Chi. White SoxL  4-8 44-25
7/11vs Chi. White SoxW  8-5 45-25
7/14vs ClevelandL  3-4 45-26
7/15vs ClevelandW  4-3 46-26
7/15vs ClevelandL  2-4 46-27
7/16vs ClevelandW  11-4 47-27
7/17vs DetroitW  1-0 48-27
7/18vs DetroitW  5-3 49-27
7/20vs DetroitL  2-3 49-28
7/23at NY HighlandersW  6-1 50-28
7/23at NY HighlandersL  2-4 50-29
7/24at NY HighlandersW  8-2 51-29
7/25at NY HighlandersW  7-5 52-29
7/27vs NY HighlandersW  5-0 53-29
7/28vs NY HighlandersW  3-0 54-29
7/29vs NY HighlandersL  14-15 54-30
7/30vs NY HighlandersL  1-12 54-31
8/1at WashingtonL  0-1 54-32
8/1at WashingtonW  5-1 55-32
8/3at WashingtonL  2-5 55-33
8/5at Phil. A'sW  3-0 56-33
8/6at Phil. A'sL  3-4 56-34
8/7at Phil. A'sW  11-3 57-34
8/8vs Phil. A'sW  11-6 58-34
8/10vs Phil. A'sW  7-2 59-34
8/11vs Phil. A'sW  5-1 60-34
8/13at DetroitW  3-1 61-34
8/13at DetroitL  1-10 61-35
8/14at DetroitW  6-3 62-35
8/15at DetroitW  6-3 63-35
8/17at ClevelandL  3-9 63-36
8/18at ClevelandW  10-2 64-36
8/19at Chi. White SoxW  4-3 65-36
8/20at Chi. White SoxL  5-9 65-37
8/21at Chi. White SoxW  11-3 66-37
8/22at StL BrownsL  1-2 66-38
8/23at StL BrownsW  5-3 67-38
8/23at StL BrownsW  4-2 68-38
8/24at StL BrownsL  1-5 68-39
8/26at Phil. A'sW  3-0 69-39
8/27at Phil. A'sW  4-2 70-39
8/29at WashingtonW  3-2 71-39
8/31at WashingtonL  1-2 71-40
8/31at WashingtonW  5-2 72-40
9/1at WashingtonW  2-1 73-40
9/3vs Phil. A'sW  6-5 74-40
9/5vs Phil. A'sW  12-1 75-40
9/7at NY HighlandersW  4-0 76-40
9/7at NY HighlandersL  0-5 76-41
9/8at NY HighlandersL  0-1 76-42
9/9vs WashingtonW  9-4 77-42
9/9vs WashingtonW  3-2 78-42
9/10vs WashingtonW  3-0 79-42
9/11vs WashingtonW  2-1 80-42
9/12vs NY HighlandersW  10-1 81-42
9/14vs NY HighlandersL  2-4 81-43
9/15vs NY HighlandersW  12-3 82-43
9/16vs ClevelandW  14-7 83-43
9/17vs ClevelandW  14-3 84-43
9/18vs ClevelandW  7-6 85-43
9/19vs Chi. White SoxW  13-3 86-43
9/21vs Chi. White SoxW  4-3 87-43
9/22vs Chi. White SoxL  0-7 87-44
9/23vs DetroitL  4-5 87-45
9/23vs DetroitL  2-8 87-46
9/24vs DetroitW  8-2 88-46
9/26vs StL BrownsL  2-6 88-47
9/26vs StL BrownsW  8-2 89-47
9/28vs StL BrownsW  8-7 90-47
9/28vs StL BrownsW  6-0 91-47