Mauricio Pochettino Admits Tottenham 'Must Improve' if They're to Compete After Win Over Cardiff

​Tottenham manager Mauricio Pochettino admits his side must improve if they have aspirations of major honours ​following their 1-0 win against Cardiff. Eric Dier's goal in the eighth minute was enough to separate the sides at Wembley, in a game that saw goal line clearances from both teams, as well as Cardiff be reduced to ten men following Joe Ralls' cynical foul on Lucas Moura just before the hour mark.  The win against the ​Cardiff comes off the back of a disappointing defeat to Barcelona... Via All the latest breaking football news, transfer rumours, analysis, and match reports - 90min http://www.90min.com/