Senior Fifa duo pile pressure on under-fire president Wenger reveals he knew nothing about investment plan Gianni Infantino’s authority was dealt a further blow after his No 2, the Fifa secretary general Mattias Grafström, called the failed World Cup private investment plan a “sad and reproachable series of events”. In further evidence that senior Fifa personnel continue to distance themselves from Infantino and his botched scheme, Arsène Wenger issued a statement on Tuesday morning saying the…