https://baseballhall.org/discover/inside-pitch/mathewson-brown-face-off-last-time
Longtime rivals Christy Mathewson and Mordecai Brown face off one last time | Baseball Hall of Fame
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https://www.pennantchase.com/lgPlayerCard.aspx?lgid=1181&id=1181-brownmo01
Player Card Mordecai Brown, Auto League 1181 Deadball Era
Detail page for Player Card Mordecai Brown, Auto League 1181 Deadball Era Free Sim Baseball League
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https://chulavistacoins.com/product/1910-1912-sweet-caporal-mordecai-brown-sm-letters/
1910-1912 Sweet Caporal Mordecai Brown SM. Letters - CV Coins & Collectables
Mar 3, 2025 - Add the 1910-1912 Sweet Caporal Mordecai Brown SM. Letters P-2 to your collection. A rare and nostalgic piece, perfect for vintage baseball pin enthusiasts!
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https://www.wheatlandauctionservices.com/mobile/LotDetail.aspx?inventoryid=32645
Lot Detail - 1910 E96 Philadelphia Caramel HOFer Lot - Mordecai Brown (SGC 2.5) & Hugh Jennings...
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