Oleksandr Zinchenko was probably a very frustrated figure on the Arsenal bench during the Gunners’ 2-2 draw with Liverpool last weekend. Given he was fit, Jurrien Timber understandably lined up at left-back for Arsenal, after all, Zinchenko has a horrible record against Mohamed Salah. There’s no embarrassment for the Ukraine international to be behind Timber, however, once the Dutchman came off, Zinchenko may then have been incredibly frustrated. Mikel Arteta snubbed Zinchenko and chose to bring on Myles Lewis-Skelly instead, an 18-year-old with so much potential but one that is still relative…