 Rogan may have reached his peak in 1925 , leading Kansas City to its third straight league championship with a 17 – 2 record and a .381 batting average . In the playoffs against the St. Louis Stars he hit .450 and won three more games , including one shutout . However , before the World Series rematch with <unk> , Rogan suffered a knee injury while playing with his young son . Forced to undergo surgery , he missed the series . Without their star , the Monarchs went down to defeat in six games . 
