Paul Heckingbottom has been made aware of a huge decision he would have to make if he joins Sunderland. Paul Heckingbottom is one name that has regularly come up since Michael Beale was sacked at Sunderland in February. Despite winning promotion to the Premier League last season, the 46-year-old was sent packing by Sheffield United before Christmas and has been unemployed since. With two promotions under his belt, Heckingbottom is seen as a contender to take the permanent job at the Stadium of Light in the summer. It’s unclear whether the coach is eager to join the Black Cats or whether he has…