 Ownership changed in July, and first-year manager Bill Plummer was fired after the season, succeeded by Lou Piniella in November for 1993.Lefthanded starter Randy Johnson won the first of four consecutive strikeout titles with 241.In his third full season in the majors, 29-year-old third baseman Edgar Martínez batted .343 to lead the majors and win the first of his two American League batting titles.