Complex sentence: They recently were in the MLB Playoffs (2008) and were swept out of the post season in three games by the Los Angeles Dodgers, which increased the drought to a full 100 years (99 years if the cancelled 1994 World Series is excluded).
Split into simpler sentences: They recently were in the MLB Playoffs (2008) and were swept out of the post season in three games by the Los Angeles Dodgers. That increased the drought to a full 100 years (99 years if the cancelled 1994 World Series is excluded).