put through the mangle

(idiomatic) Alternative form of put through the wringer

Example: 2012 June 28, Jamie Jackson, “Wimbledon 2012: Lukas Rosol shocked by miracle win over Rafael Nadal”[1], the Guardian:
  A big beast of the men's field was put through the mangle then dumped out of Wimbledon as Rafael Nadal fell at around 10.06pm to Lukas Rosol, a Czech debutant who will never forget this Thursday evening in south-west London.