The National League and the American Association faced each other in a World's Championship Series at the end of the season to determine an overall champion.

1890 Regular Season Results

Date    OpponentResultScoreRecord
4/19vs Phil. PhilliesL  0-4 0-1
4/21vs Phil. PhilliesW  5-3 1-1
4/22vs Phil. PhilliesL  3-7 1-2
4/23vs Phil. PhilliesL  1-3 1-3
4/24at BostonT  2-2 1-3
4/26at BostonW  3-1 2-3
4/28at BostonL  2-9 2-4
4/29at Phil. PhilliesL  4-5 2-5
4/30at Phil. PhilliesW  9-3 3-5
5/2at Phil. PhilliesL  6-7 3-6
5/3at BrooklynL  3-7 3-7
5/5at BrooklynL  3-8 3-8
5/7at BrooklynW  3-1 4-8
5/9vs BostonW  16-3 5-8
5/10vs BostonL  2-3 5-9
5/12vs BostonW  1-0 6-9
5/13vs BostonW  7-2 7-9
5/14at BrooklynW  6-4 8-9
5/16vs ClevelandL  1-5 8-10
5/17vs ClevelandW  6-2 9-10
5/19vs ClevelandW  5-4 10-10
5/21vs PittsburgW  14-1 11-10
5/22vs PittsburgW  14-2 12-10
5/23vs PittsburgW  17-10 13-10
5/24vs Chi. ColtsW  5-3 14-10
5/26vs Chi. ColtsW  5-3 15-10
5/27vs Chi. ColtsW  4-2 16-10
5/28vs Chi. ColtsL  4-5 16-11
5/29vs CincinnatiL  6-7 16-12
5/30vs CincinnatiL  1-3 16-13
5/30vs CincinnatiL  0-1 16-14
5/31vs CincinnatiL  8-12 16-15
6/2vs BrooklynW  6-4 17-15
6/3vs BrooklynL  7-20 17-16
6/4vs BrooklynW  4-1 18-16
6/5vs BostonL  2-13 18-17
6/6vs BostonL  3-10 18-18
6/7vs BostonW  9-3 19-18
6/9at Phil. PhilliesL  1-6 19-19
6/10at Phil. PhilliesL  1-6 19-20
6/11at Phil. PhilliesL  7-8 19-21
6/12at BrooklynL  6-12 19-22
6/13at BrooklynL  2-4 19-23
6/14at BrooklynL  2-16 19-24
6/16vs BrooklynL  4-5 19-25
6/17at BostonW  4-2 20-25
6/17at BostonL  3-4 20-26
6/18at BostonL  1-9 20-27
6/21at Chi. ColtsW  8-7 21-27
6/23at Chi. ColtsL  3-7 21-28
6/23at Chi. ColtsW  6-4 22-28
6/24at Chi. ColtsW  12-5 23-28
6/25at CincinnatiL  1-2 23-29
6/26at CincinnatiL  5-8 23-30
6/27at CincinnatiW  8-4 24-30
6/28at CincinnatiL  3-12 24-31
6/30at PittsburgW  7-4 25-31
7/1at PittsburgL  2-16 25-32
7/2at PittsburgL  9-13 25-33
7/3at PittsburgL  0-4 25-34
7/4at ClevelandL  7-11 25-35
7/4at ClevelandW  3-2 26-35
7/5at ClevelandL  4-6 26-36
7/7vs Chi. ColtsL  1-4 26-37
7/8vs Chi. ColtsL  2-3 26-38
7/9vs Chi. ColtsL  2-3 26-39
7/10vs PittsburgW  14-3 27-39
7/11vs PittsburgW  11-7 28-39
7/12vs PittsburgW  18-1 29-39
7/14vs CincinnatiL  1-6 29-40
7/15vs CincinnatiW  7-3 30-40
7/16vs CincinnatiW  12-8 31-40
7/17vs ClevelandT  4-4 31-40
7/18vs ClevelandW  9-5 32-40
7/18vs ClevelandL  4-5 32-41
7/19vs ClevelandW  18-4 33-41
7/19vs ClevelandW  7-5 34-41
7/21at Chi. ColtsL  2-7 34-42
7/22at Chi. ColtsL  7-14 34-43
7/23at Chi. ColtsL  12-13 34-44
7/24at CincinnatiL  5-7 34-45
7/25at CincinnatiL  6-10 34-46
7/26at CincinnatiL  1-5 34-47
7/28at PittsburgW  4-2 35-47
7/30at PittsburgW  14-5 36-47
7/31at ClevelandL  5-6 36-48
8/1at ClevelandW  3-2 37-48
8/2at ClevelandL  2-9 37-49
8/4at ClevelandT  2-2 37-49
8/6at Phil. PhilliesW  9-5 38-49
8/7at Phil. PhilliesL  4-5 38-50
8/9vs BrooklynL  0-5 38-51
8/11vs BrooklynW  3-0 39-51
8/12vs BrooklynW  3-0 40-51
8/13vs Phil. PhilliesL  3-5 40-52
8/14vs Phil. PhilliesW  8-5 41-52
8/15vs Phil. PhilliesW  3-2 42-52
8/16at BostonL  6-14 42-53
8/18at BostonL  5-13 42-54
8/19at BostonL  3-4 42-55
8/20at BostonW  6-5 43-55
8/21vs CincinnatiL  3-5 43-56
8/22vs CincinnatiW  4-3 44-56
8/23vs CincinnatiW  7-3 45-56
8/25vs Chi. ColtsL  5-6 45-57
8/26vs Chi. ColtsL  2-4 45-58
8/27vs Chi. ColtsL  1-5 45-59
8/28vs PittsburgW  9-1 46-59
8/29vs PittsburgW  1-0 47-59
8/30vs PittsburgW  5-0 48-59
8/30vs PittsburgW  7-3 49-59
9/1vs ClevelandW  4-0 50-59
9/1vs ClevelandW  5-1 51-59
9/2vs ClevelandW  4-1 52-59
9/3at Phil. PhilliesW  9-6 53-59
9/3at Phil. PhilliesL  5-9 53-60
9/4at BrooklynL  3-7 53-61
9/5at BrooklynW  9-1 54-61
9/6at BrooklynW  5-1 55-61
9/8vs BostonT  6-6 55-61
9/9vs BostonW  2-1 56-61
9/10vs BostonL  5-8 56-62
9/13vs BrooklynL  3-8 56-63
9/19at PittsburgT  7-7 56-63
9/20at PittsburgW  9-5 57-63
9/22at PittsburgW  8-3 58-63
9/23at PittsburgW  7-5 59-63
9/23at PittsburgW  8-6 60-63
9/24at ClevelandW  5-1 61-63
9/25at ClevelandW  4-3 62-63
9/27at CincinnatiW  15-3 63-63
9/29at CincinnatiL  4-5 63-64
9/30at CincinnatiL  2-5 63-65
10/2at Chi. ColtsL  3-7 63-66
10/3at Chi. ColtsL  2-3 63-67