 In 1979, he played collegiate summer baseball with the Wareham Gatemen of the Cape Cod Baseball League.He was selected in the 2nd round of the 1979 Major League Baseball Draft by the Minnesota Twins and spent the next three seasons in the minor leagues before making his major league debut in 1982.Although used primarily as the Twins' designated hitter his first three seasons, Bush saw most of his action in right and left field, but also saw time at first base and even one game in center field.