After graduating from Salina High School in 1941, Shublom played one season of minor league baseball in the Pittsburgh Pirates organization.
In his 14-year tenure at Wyandotte, Shublom led the Bulldogs to 10 large class Kansas high school state championships and 3 second place finishes and a career record of 296-26.
Shublom was among several outstanding Kansas City-area high school coaches in the 1960’s and early 1970’s that included Jim Wilkinson and Charlie Lee (Kansas City Central), Bud Lathrop (Raytown South), Homer Drew (Lee’s Summit), C. W. Stessman (Paseo), Bill Myles, Walt Thompson (Kansas City Southeast), and Al Davis (Rockhurst).
In January 1972, the NCAA passed a rule that allowed freshmen to be eligible for varsity competition.
Shublom was also a noted public speaker and clinician operating the “Clinic of Champions” for many years.