By Grey Whitebloom The Premier League’s Chief Refereeing Officer Howard Webb believes there was an incorrect penalty decision in Manchester United’s defeat at West Ham last month shortly before Erik ten Hag’s sacking, according to a new report. United parted ways with the Dutch coach on 28 October, one day after they were subject to a 2-1 loss at West Ham’s London Stadium by a controversial stoppage-time penalty. Matthijs de Ligt charged towards a dropping ball inside United’s penalty box during the closing stages of the allotted 90 minutes. The Dutch defender made minimal contact with West Ha…