Wilhelm then spent two years out of baseball from 1951 to 1952, when he served in the United States Army in the Korean War.

[3] Wilhelm played the 1955 and 1956 seasons in the Milwaukee Braves system, advancing as high as the Double-A Atlanta Crackers.

He played his final season of professional baseball in summer 1957, with the Greensboro Patriots of the Boston Red Sox organization.

[2] In his first two seasons, Wilhelm led the program to two Atlantic Coast Conference (ACC) championships and its first two College World Series appearances, in 1958 and 1959.

Conference tournament champion Wilhelm died at the age of 81 on December 24, 2010, in Seneca, South Carolina.