Rangers remain three points behind Scottish Premiership leaders Hearts after a second 2-0 win over Aberdeen in six days.
Premier League Leeds United avoided an FA Cup upset by producing a second-half comeback to defeat Championship side Derby County and reach the fourth round.
Managerless Manchester United complete an unwanted cup double as former striker Danny Welbeck helps Brighton send them crashing out of the FA Cup at Old Trafford.
Forty-three-year-old substitute goalkeeper Craig Gordon makes an incredible stoppage-time save to earn 10-man league leaders Hearts a Scottish Premiership victory at Dundee.