Over the last two seasons, the mood at Arsenal and Man United could hardly have been any different. The arrival of Sir Jim Ratcliffe as a substantial minority investor has perhaps halted the malaise that has settled in at Old Trafford. However, there is still some way to go before they catch up to Arsenal on the pitch. The triumvirate of Mikel Arteta, Edu Gaspar and Josh Kroenke has yielded two consecutive 2nd-place Premier League finishes. What’s more, the ownership regime appeared to have temporarily abandoned their self-sufficient philosophy, bankrolling losses in recent years to finance bl…