cotterill could be just a week away from putting bristol city back into the championship .
the 50-year-old needs just two more wins to achieve the fourth promotion of a career that has been mostly spent rescuing clubs from relegation after goals by kieran agard , joe bryan and aaron wilbraham clinched a local derby victory .
in front of a sold-out ashton gate , city took revenge for a bitterly fought 1-0 defeat back in november which ended their unbeaten start to the season .