By Tom Gott The Sir Jim Ratcliffe era at Old Trafford got off to the perfect start as Manchester United roared to a 3-2 comeback victory over Aston Villa on Boxing Day. United were comically poor in defence as they conceded from two set-pieces in the first half, but from that point onwards, the Red Devils were the better team and they put on a show for INEOS representative Sir Dave Brailsford, who was watching on from the stands. Alejandro Garnacho netted twice after the break, having already seen a goal ruled out for offside, before Rasmus Hojlund netted his long-awaited first league goal lat…