England’s Joe Marler must face the music on scrummaging, say Wales

• Marler needs to scrummage legally – Wales forwards coach• England and Wales meet in Six Nations crunch on SaturdayWales want Joe Marler to face the music if he scrummages at an angle at Twickenham on Saturday, aggrieved he got away with what they feel was illegal scrummaging against them last year.Scrums have decreased in numbers over the years but not in significance. Since the referee Steve Walsh ruled heavily in Wales’s favour at the set piece in the 2013 Six Nations, French officials have controlled the three subsequent meetings with England and taken exception to the way Wales’s loosehe…