Ken Brett (September 18, 1948-November 18, 2003) was a Major League Baseball pitcher and the older brother of Hall of Famer George Brett.
Brett was the youngest pitcher to ever pitch in the World Series, pitching two games in relief for the Boston Red Sox against the St. Louis Cardinals in 1967 at age 19. A much-traveled pitcher who pitched for 10 teams over a 14-year career, Brett made the National League All-Star team in 1974 while pitching for the Pittsburgh Pirates. Throughout his playing career Brett was known as outstanding hitting pitcher. In 347 career At Bats he recorded a .262 Batting Average, 10 Home Runs and 44 RBI.
After playing with his brother for two seasons with the Kansas City Royals, Brett retired following the 1981 season with a career record of 83-85 and an ERA of 3.93 in 349 games. Brett then worked as a broadcaster for the Seattle Mariners and California Angels, coached baseball at the collegiate level, and co-owned minor league baseball and hockey teams and a sporting goods company with his brothers George and Bobby Brett.
Ken Brett died of brain cancer on November 18, 2003 in Spokane, Washington at the age of 55.