Chelsea’s Nicolas Jackson is the key to his side’s chances of beating Liverpool this weekend in the League Cup final. That is according to Alan Pardew. Nicolas Jackson, 22, has caught the eye for the Blues since returning from the Africa Cup of Nations earlier this month. The young attacker has come under-fire for criticism at times during this debut season in English football, but he’s still chipped in with nine goals and three assists so far. He certainly impressed during the weekend’s 1-1 draw with Manchester City. In fact, speaking on The Rest Is Football podcast this week, Micah Richards …