Photo: ESPN Chelsea are confident of sealing a deal for Callum Wilson according to a report in the Daily Express. The Blues are set to make a bid of £30 million for the Bournemouth striker as per the report.  Maurizio Sarri has tried out Alvaro Morata and Olivier Giroud in all the matches this season but they have not delivered with the goals when needed. The manager is now reportedly keen on signing a new striker and the club has…