Manchester United could only get a draw on a day when a win was absolutely needed at Old Trafford to keep top-four hopes alive. Here are five things ManUtdNaijaFM learnt as United and Chelsea took home a point each: 1. HERRERA MAKES ALL THE DIFFERENCE United welcomed back the baby-faced midfield warrior Ander 'Akinbode' Herrera and he was absolutely buzzing. It was no coincidence that this was Matic's best game since he left and United's best midfield control in a while. We may not have won, but this was United's best game since Herrera was injured. 2. TOP-FOUR ALGEBRA With this draw against Chelsea, Manchester United have set a MATHEMATICS EXAM for her fans. United will make top-four if Chelsea lose two matches or draw one while Arsenal draws two matches with Tottenham losing one and winning one......etc etc Algebra may not be enough to work it out. We may need quadratic formula aka 'The Almighty formula' to solve this one. 3. DAV...