Arsenal will be in the market for a new striker this summer. The Gunners have long been linked with a plethora of number nines, and it really does feel like they will get someone through the door in that mould at the end of this season. Mikel Arteta’s side have been brilliant this season, but it does feel as though they would reach the next level if they managed to sign a lethal centre-forward. So, who could Arsenal sign? Well, they’ve recently been linked with a move for Alexander Isak from Newcastle, and speaking to Squawka, Alan Smith has endorsed this move. Alan Smith says Alexander Isak w…