Danny Rohl will have to make sure he doesn’t repeat the same mistake involving an attacker as he did last season at Sheffield Wednesday. Sheffield Wednesday have taken their number of arrivals to nine ahead of the new Championship season. Danny Rohl’s side has been massively bolstered with Premier League experience with the arrivals of Yan Valery, Max Lowe, and most recently Nathaniel Chalobah, who has praised Sheffield Wednesday’s recent signings. The Owls are building a squad that attacker Josh Windass has suggested could go for promotion after revealing that was his ambition ahead of the 20…