Michael Joseph Mattimore (1858–1931) was a 19th-century Major League Baseball player. He played for several teams in the National League and American Association between 1887 and 1890. External links Baseball Reference Major League Baseball pitchers Major League Baseball outfielders 19th-century baseball players New York Giants (NL) players Philadelphia Athletics (AA) players Kansas City Cowboys players Brooklyn Gladiators players Jersey City Skeeters players Trenton Trentonians players Oswego Starchboxes players Utica Pent Ups players Walla Walla Walla Wallas players Seattle (minor league baseball) players 1858 births 1931 deaths People from Clinton County, Pennsylvania Baseball players from Pennsylvania