By Simon Bird Arsenal target Alexander Isak held talks with Newcastle’s Saudi chairman Yasir Al Rumayyan on Saturday. The £120million top target for Mikel Arteta was the only Newcastle star collared by PIF moneyman Al Rumayyan after the draw with Brighton. Isak, and members of his family, were approached by Al Rumayyan who talked to him at length on the St James’ Park pitch. The Sweden international’s goals have earned him talks over a new contract, because he could double his money at a top three club in the Champions League. Al Rumayyan, who pulls the financial strings at Newcastle, runs the…