By Graeme Bailey Nearly a quarter of the way into the season – there were two glaring questions to be answered about Leeds United and Arsenal going into their clash at Elland Road on Sunday. Are Arsenal title contenders? Are Leeds candidates to be relegated? To put it simply, yes to both. Looking at Arsenal first – Mikel Arteta will take as much from this game as any. Yes, it is true, Arsenal were far from their best – but when it mattered they showed real quality and that was not embodied more by their winning goal. Bukayo Saka capitalised on Rodrigo’s horror cross – but the way he punished L…