 Pittsburgh sent Munger to their top minor league affiliate, the Hollywood Stars of the Pacific Coast League, and he responded with 17- and 23-win seasons in 1954–55.During the latter year, at age 36, he registered 25 complete games and an ERA of 1.85.The standout season brought Munger to the Major Leagues for one last campaign, as a relief pitcher and occasional starter for the 1956 Pirates.