Newcastle United parted with a considerable fee to sign William Osula from Sheffield United this summer, a player who has only scored eight goals in his senior career to date. 21-year-old Osula made 21 appearances for Sheffield United in the Premier League, enough evidence for Newcastle to make their move this summer. Osula is yet to score at the top level, but the club’s decision-makers must be convinced that there’s still a lot more to come. That being said, it was noteworthy that Eddie Howe decided not to turn to Osula against Wolverhampton Wanderers on Sunday when Alexander Isak needed to …