Jon Scullion completed the scoring for Morton as they edged 10-man Livingston 4-2 in the Ladbrokes Scottish Championship. The hosts were reduced to 10 men after Ben Gordon's reckless challenge and Morton soon took the lead through Stefan McCluskey, who capitalised on a defensive mix-up to convert.Denny Johnstone doubled Greenock's tally after 52 minutes, receiving McCluskey's ball before beating his marker and finishing neatly.Bobby Barr bagged a third when he controlled Romario Sabajo's cross and fired into the bottom corner.Substitute Scullion was soon on the scoresheet when Barr squared the ball across the box, with the former firing home from point-blank range.The home side netted a consolation after 85 minutes when goalkeeper Grant Adam failed to collect a corner and Jordan White converted at the far post and Jordyn Sheerin made it 4-2 four minutes later when he fired home White's pass.