Sheffield Wednesday could be in store for a very testing summer. Last week, reports emerged claiming that Sunderland are interested in Sheffield Wednesday boss Danny Rohl ahead of the summer. The German has wowed Owls fans since arriving in October and his positive performances clearly haven’t gone unnoticed. Sunderland could deal Dejphon Chansiri a hammer-blow if they poach Rohl in the summer, with relegation to League One bound to push Rohl towards the Hillsborough exit door. And relegation combined with Rohl leaving would surely push a number of players out of S6 as well. Here we look at th…