Chelsea will continue to monitor one Premier League player as contract talks with his club reportedly stall. Chelsea did a lot of business in the last transfer window, making more than 10 signings. They really improved their attack by bringing in the likes of Jadon Sancho and Pedro Neto. However, what the Blues did not do was bring in a top centre-forward after failing to land Victor Osimhen. Chelsea could return for Osimhen at some point, but Newcastle United’s Alexander Isak is another striker who appears to be on their radar. READ MORE: £60m Premier League star wants release clause in his c…