Buechele was drafted by the Chicago White Sox in 1979 but did not sign. He was drafted again in 1982 by the Texas Rangers and spent several years in the minor leagues before breaking into the majors in 1985 with the Rangers. He had a career year in when he had a batting average of .267 along with 18 home runs and 66 RBI while only committing three errors for an MLB-record .991 fielding percentage at third base. Although he did not fare as well in 31 games with the Pirates, hitting just .246, he still finished the year with career highs in hits, home runs, slugging percentage, RBI, and runs scored. He also made his only postseason appearances, hitting .304 for Pittsburgh in the 1991 National League Championship Series against the Atlanta Braves.