Tottenham boss Jose Mourinho says taking the League Cup seriously is the key to his success in the competition after booking his fifth final appearance as his side beat Brentford 2-0. Mourinho was brought to Spurs to end their 13-year trophy drought and now only Manchester City or Manchester United stand in his way after Moussa Sissoko and Son Heung-min goals saw off the Championship side in the Carabao Cup semi-final.