Mauricio Pochettino warned there will be more problems for Chelsea if they fail to build on their 3-2 victory over Newcastle at Stamford Bridge as he praised the impact of match-winning substitute Mykhailo Mudryk.The Ukrainian came off the bench to score with a superb individual goal to make it 3-1 in the 76th minute, pelting on to the ball at full tilt before tricking his way beyond a dumbfounded Fabian Schar and nipping round Martin Dubravka to finish."It was a very good goal and that is what

Mauricio Pochettino warned there will be more problems for Chelsea if they fail to build on their 3-2 victory over Newcastle at Stamford Bridge as he praised the impact of match-winning substitute Mykhailo Mudryk.The Ukrainian came off the bench to score with a superb individual goal to make it 3-1 in the 76th minute, pelting on to the ball at full tilt before tricking his way beyond a dumbfounded Fabian Schar and nipping round Martin Dubravka to finish."It was a very good goal and that is what we expect from a player from the bench - impact," said Pochettino. "Then it is about competing with different players in his position. Then he will deserve to (start)."