Newcastle United manager Eddie Howe needs to keep his squad as fit as possible. It was a frustrating summer transfer window, and one that ended without Newcastle United making a major signing. Marc Guehi’s transfer from Crystal Palace to Newcastle United collapsed, despite Paul Mitchell thinking he could get a deal done. Then Newcastle’s attempt to sign Anthony Elanga on deadline day failed, leaving Eddie Howe with a squad that has not been strengthened. It means that Howe is going to have to get every ounce out of the players he has available, and hope that he avoids the same injuries that hi…