[1] He spent his entire playing career with the Milwaukee Brewers organization (1978–1983), although in 1981, he was briefly loaned to the Denver Bears of the American Association, who were an affiliate of the Montreal Expos at the time.
Mueller was an undrafted free agent signed after the June 1974 Major League Baseball Draft.
After Mueller's baseball career, he played the role of the Duke, in the 1989 blockbuster Major League.
Mueller's role as the Duke was as a menacing relief pitcher for the New York Yankees.
Another nephew, Mike Mueller, pitched professionally in the Atlanta Braves system.