Complex sentence: The Phillies would return to the playoffs that season, which was split in half by a players' strike, but lost the first-ever National League Division Series to the Montreal Expos in five games.
Split into simpler sentences: The Phillies would return to the playoffs that season, in which the season was split in half due to a players' strike. They were defeated in the first ever National League Division Series by the Montreal Expos in five games.