Chelsea manager Mauricio Pochettino would have been happy with Nicolas Jackson’s overall performance against Newcastle United. It was Nicolas Jackson who opened the scoring last night with a clever little flick, registering his ninth Premier League goal of the season. However, there was one moment during the game where the 22-year-old left Mauricio Pochettino absolutely fuming. According to football.london, the Argentine lost his temper and could be seen jumping up and down after his striker failed to guide a header into Mykhailo Mudryk’s path. It was still a good night for Chelsea and Mudryk,…