Even without Harry Kane, Tottenham held the upper hand for much of this closely contested game, though Manchester United are no mugs under Jose Mourinho and they stuck grimly to their task to pick up an important win with a late Anthony Martial goal. That is not to suggest the match was grim, though scoreless for 82 minutes it was nothing like as barren as United’s draw at Anfield a fortnight ago, but two good sides were cancelling each other out until Spurs were undone by a long ball from the back. United have still not conceded a goal in five league games here. Whether they would have done with Kane on the pitch is a matter of debate, but what is not is that Martial is an effective substitute. For the fourth time this season he came on to score, this time winning the game in his 20-minute cameo. There were a few audible grumbles when Marcus Rashford had to make way, but, as Mourinho explained, the two players offer different qualities. “Martial is more comfortable dropping in between the lines to help drive the ball and not just attack space,” he said. “I told him to do that…