Mac developed into an outstanding 6-6 right-handed pitcher in Wooster. Starting with Little League and Hot Stove teams, he then lettered 3 years at Wooster High School, averaging 14 strikeouts and was team Captain in 1965. He helped the Generals to 3 straight State Regional title games and was All-Ohio in 1965. Mac was also an All-Ohio basketball player. He went to the University of Tennessee and played on SEC title teams in both baseball and basketball. In Class AA, he played with Orrville Merchants, Krispy Kreme, John Brown's Winding Bar, Tiny's Orphans and champion Black Label team, making 3 All-Star teams. Mac was drafted by the Mets and Pirates but opted to stay at Tennessee. He went into coaching hoops and soccer at Louden High School (Tennesssee), University of the South and has coached Wabash University since 1976. Mac has been inducted into the Wooster, Wayne County and Wabash Hall of Fames.