Sunderland’s stance on the future of Callum Styles has been explained. Sunderland had looked to secure a deal for Callum Styles early in the January window, but were forced to shelve their interest due to the midfielder requiring appendix surgery. However, the Black Cats reignited the move on deadline day and eventually snapped him up on a loan deal with an option to make it permanent this summer. Styles was expected to come in as a midfielder primarily, with Corry Evans still set for months on the sidelines at the time. However, injuries to Niall Huggins, Aji Alese and Dennis Cirkin saw the 2…