Given the decades of history between the two teams, it is a little ironic that the latest battle between Derby County and Leeds United was defined by two short periods.   When Jacob Widell Zetterström gave away, and then saved a penalty from Joel Piroe, any concerns surrounding the atmosphere in a relatively sparsely populated Pride Park disappeared.   There was only one way to stop the “We all hate Leeds!” chants that had begun after The Rams’ Swedish stopper had dived to hi