Newcastle United have a decision to make regarding Callum Wilson. The 32-year-old is Newcastle United‘s second choice striker right now behind Alexander Isak, but is currently unavailable due to injury. Callum Wilson’s back injury forced Newcastle to step up their search for a striker, and it has resulted in one arriving. Will Osula officially became a Newcastle United player on Thursday, and will hope to make his Toon debut during one of this weekend’s friendlies. The 21-year-old will provide cover for Isak and Wilson, with Howe believing he can improve Osula as a player. His arrival raises m…