Chelsea are currently being linked with Newcastle United striker Alexander Isak. The Blues, who are in the market for a new centre-forward, are interested in signing Alexander Isak this summer, according to Sky Sports. Chelsea certainly could do with another No.9 coming in. Nicolas Jackson had little support last season, finishing the campaign on almost 50 appearances as a 22-year-old. However, if Chelsea are planning a raid on Newcastle during this transfer window, it may be worth them targeting one of Isak’s teammates instead of the 24-year-old. Alexander Isak a pointless pursuitThere is no …