1921 Playoffs

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Round 1

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American League

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• Louisville vs Bloom County-Louisville wins 4-1
• Sep 27 Louisville 3 Bloom County 2
• Sep 28 Louisville 4 Bloom County 2
• Sep 30 Bloom County 9 Louisville 1
• Oct 1 Louisville 9 Bloom County 5
• Oct 2 Louisville 9 Bloom County 7

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National League

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• Chicago vs Lake St Clair-Lake St Clair wins 4-0
• Sep 27 Lake St Clair 4 Chicago 2
• Sep 28 Lake St Clair 8 Chicago 7
• Sep 30 Lake St Clair 6 Chicago 4
• Oct 1 Lake St Clair 5 Chicago 1

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World Series

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• Lake St Clair vs Louisville-Lake St Clair wins 4-1
• Oct 8 Lake St Clair 11 Louisville 1
• Oct 9 Louisville 5 Lake St Clair 0
• Oct 11 Lake St Clair 12 Louisville 7
• Oct 12 Lake St Clair 5 Louisville 4
• Oct 13 Lake St Clair 3 Louisville 2 10