Winford Ansley Kellum (April 11, 1876 – August 10, 1951) was a starting pitcher in Major League Baseball who played between 1901 and 1905 for the Boston Americans (1901), Cincinnati Reds (1904) and St. Louis Cardinals (1905). Listed at 5'10", 190 lb., Kellum was a switch-hitter and threw left-handed. Optimistically nicknamed "Win", Kellum became the first Opening Day starting pitcher in Boston American League franchise's history, as they lost to the host Baltimore Orioles, 10–6, at Oriole Park (April 26, 1901). He went 2–3 with a 6.38 ERA for the rest of season.