Ally McCoist has said that Arsenal really need to start thinking about upgrading on Eddie Nketiah after last night’s 2-0 loss against Liverpool. The Gunners have looked toothless in front of goal in the last three matches, with Mikel Arteta’s side only managing one goal despite having well over 60 shots on target. As a result, talk of signing a new striker has dominated the rumour mill for the north London side, with Arsenal linked with the likes of Victor Osimhen and Ivan Toney. And now, speaking on TalkSport, McCoist has joined in on the conversation of whether or not Arsenal need a new stri…