By Frank Dalleres Arsenal’s last visit to the San Siro to play Inter Milan, 21 years ago this month, is the stuff of red and white legend. Desperately needing a result to keep alive their Champions League hopes but sent into battle at one of European football’s most daunting arenas without key players, Arsene Wenger’s team delivered a 5-1 win and one of the most glorious nights in the club’s history. How Arsenal could do with another big result to lift the spirits when the teams meet on Wednesday night for the first time since that 2003 fixture. This time it is their domestic form that has lef…