Ahead of the Manchester derby, this week on What If... we're talking about Wayne Rooney and the hypothetical around whether he could have possibly made the switch across Manchester from United to City back in 2010.Emma Paton is joined by The Athletic's Jack Pitt-Brooke and Dan Kilpatrick, as well as Andy Mitten from Talk of the Devils to delve into Rooney's at times strained relationship with Sir… 