He spent much of his early minor league career as an outfielder and first baseman .
He converted to pitcher in 1970 and appeared in seven games , all as a relief pitcher , that season for the Chicago Cubs of Major League Baseball .
Although he spent much of his early minor league career as an outfielder and first baseman , he converted to pitcher in 1970 and appeared in seven games , all as a relief pitcher , that season for the Chicago Cubs of Major League Baseball .