Manchester United have kept out Man City, Chelsea and Liverpool after being hit for six by Spurs... but with ZERO goals scored against their Big Six rivals since then, is their defensive improvement costing them in attack?

Ole Gunnar Solskjaer has learned plenty since being thrust into the Manchester United hotseat a little over two years ago, but perhaps his most important lesson came against Tottenham last October.

Leading 1-0 inside two minutes at Old Trafford, United quickly found themselves 2-1 down. Then it was 3-1, then 4-1, then 5-1 and, finally, six.

There was a mitigating factor on that chastening afternoon, however, with Anthony Martial sent off in the 28th minute for slapping Erik Lamela. Spurs went on to score four of their goals against United's 10 men.