Right now it’s abundantly clear that there’s still work to be done at Arsenal before the transfer window slams shut next week. Eddie Nketiah is close to leaving Arsenal, the Gunners have almost agreed a fee with Nottingham Forest for the Hale End graduate to finally depart north London. Nketiah has been hugely popular during his time at Arsenal, but is now third-choice in Mikel Arteta’s pecking order and won’t benefit from another season on the sidelines. And if Nketiah goes, Arsenal fans may feel confident that the club will then reinvest those funds, not only in signing Mikel Merino. Arsenal…