He toiled in the minor leagues for a few seasons before getting his first opportunity with the Cubs on September 1 , 1964 .
After spending some time at Tennessee Wesleyan College , Campbell was signed by the Cubs as a free agent in 1960 .
Campbell toiled in the minor leagues for a few seasons before getting Campbell 's first opportunity with Cubs Cubs on September 1 , 1964 .
After spending some time at Tennessee Wesleyan College , Campbell was signed by the Cubs as a free agent in 1960 .