From NKAA, Notable Kentucky African Americans Database (main entry)
Stubblefield, Wilker H. T. "Mickey" "Mayfield Moundsman"
(born: February 26, 1926 - died: February 19, 2013)Born in Mayfield, KY, Mickey Stubblefield began his career with local baseball clubs, then in 1947 played with the Omaha Rockets, mostly at shortstop and pitcher. He joined the Kansas City Monarchs in 1948 before playing in the minor leagues.
He returned to Mayfield to play in the Kitty League, the only African American who played in that league. Stubblefield ended his career in the Northern League in 1951. He was inducted into the Nebraska Baseball Hall of Fame on February 9, 2014.
His entire name was Wilker Harrison Thelbert Stubblefield. He was the son of Harrison and Mary Wiskers Stubblefield, according to the 1930 U.S. Federal Census. He died at the age of 86 in Smyrna; see more at FindaGrave.
For more see The Negro Leagues Revisited, by B. Kelley; his entry at the Baseball Reference web site; and the Mickey Stubblefield webpage.