<P> On May 15, 1973, the stadium, barely a month into its existence, saw Nolan Ryan, pitching for the California Angels, throw the first of his seven no - hitters, blanking the Royals 3--0 . </P> <P> On July 24, 1973, Royals Stadium hosted its first of two Major League Baseball All - Star Games . </P> <P> On October 9, 1976, the Royals competed in their first post-season game in franchise history, losing 4--1 to the New York Yankees at Royals Stadium in the ALCS . The Royals came back to win the next game on October 10, 6--3, for their first post-season win in Royals Stadium . </P> <P> On October 17, 1980, the first World Series game held in Kansas City featured the hometown Royals against the Philadelphia Phillies . In his first at - bat, George Brett hit a home run down the right field line . The Royals would go on to record their first - ever World Series win, 4--3 in 10 innings . However, the Royals would lose the World Series that year in six games . </P>

Who hit the first home run in the new royals stadium