The dizzying high of taking back-to-back series from the Cardinals and Dodgers has quickly given way to the rapid descent of losing back-to-back games and a series to the last-place Cubs. Tuesday was a textbook blowout, as the Reds were handed a 9-1 defeat at Great American Ball Park. And then there was the added twist and turn no one on Cincinnati’s side wanted — the return of back trouble for rookie starting pitcher Tony Cingrani.