He appeared in seven games in Major League Baseball for the 1981 Texas Rangers .
Mark Kenneth Mercer ( born May 22 , 1954 ) is an American former professional baseball pitcher from Fort Bragg , North Carolina .
Mark Kenneth Mercer appeared in seven games in Major League Baseball for the 1981 Texas Rangers .
Mark Kenneth Mercer ( born May 22 , 1954 ) is an American former professional baseball pitcher from Fort Bragg , North Carolina .