Fred Merkle, American baseball player and manager (d. 1958)

Carl Frederick Rudolf Merkle (also sometimes documented as Frederick Charles Merkle; December 20, 1888 – March 2, 1956), nicknamed "Bonehead", was an American first baseman in Major League Baseball from 1907 to 1926. Although he had a lengthy career, he is best remembered for a controversial base-running mistake he made as a rookie while still a teenager.