Complex sentence: Meanwhile, as Durocher sat out his suspension, the Dodgers won the NL pennant under an interim skipper, scout Burt Shotton, then went on to lose the 1947 World Series to MacPhail's Yankees in seven games.
Split into simpler sentences: Meanwhile, as Durocher sat out his suspension, the Dodgers won the NL pennant under an interim skipper, scout Burt Shotton. Then they lost the 1947 World Series to MacPhail's Yankees in seven games.