First Willie that comes to mind? Gotta be The Say Hey Kid.
1967 Topps #200 Willie Mays
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1960 Topps #316 Willie McCovey
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1971 Topps #230 Willie Stargell
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1968 Topps #208 Willie Davis
1968 Topps #360 Willie Horton
1984 Topps #310 Willie McGee
1985 O-Pee-Chee #6 Willie Wilson
1988 Donruss #108 Willie Randolph
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1994 American Archives Origins of Baseball #81 Willie Keeler
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2008 Upper Deck Hockey Masterpieces #73 Willie O'Ree
1971 Topps Football #114 Willie Lanier
There are two more notable Willies that I don't have cards of, Willie Davis and Willie Wood. Both men played for the Green Bay Packers and both are in the Pro Football Hall of Fame.