Complex sentence: He also played for the Detroit Red Wings, St. Louis Blues and the Washington Capitals, before returning to Edmonton to play with the Edmonton Oilers of the World Hockey Association in 1978-79 where he took rookie Wayne Gretzky under his wing.
Split into simpler sentences: He also played for the Detroit Red Wings, St. Louis Blues and the Washington Capitals. Bailey returned to Edmonton to play with the Edmonton Oilers of the World Hockey Association in 1978-79 where he took rookie Wayne Gretzky under his wing.