<prompt> Gregory John Kosc yo a belegwego ka April 27, 1949 ke moahlodi wa peleng wa Major League Baseball yo a šomilego ka American League go tloga ka 1976 go fihla ka 1999. O ile a ahlola ka World Series ka 1987 le 1997, le ka All-Star Game ka 1981 le 1992. O ile a ba a šoma le go American League Championship Series ka 1979, 1988 le 1993  <response>: , le American League Division Series ka 1996 le 1997. Kosc o be a apere yunifomo ya nomoro ya 18 ge baahlodi ba American League ba be ba e amogela ka 1980. 