By Alan Smith The narrative could write itself when Brentford head to north London on Saturday evening. Ivan Toney’s most likely summer destination remains Arsenal and it would be quite the twist were he to score a goal that not just leads his struggling team to a shock result but hampers Mikel Arteta ’s title bid. The Gunners boss has already said in the build up to this game that the transfer plans have been set in stone for months – meaning Toney is expected to be their first target when attempting to secure a prolific, traditional No9. “The plans that we have for the summer are very clear,…