By Josh O’Brien Arsenal duo Bukayo Saka and Gabriel Martinelli are now two of the most feared wingers in the Premier League and Rio Ferdinand saw it coming as long as three years ago. The young Gunners duo, whose combined age of 44 is younger than Ferdinand at 45, were both handed their debuts under Unai Emery but really cemented their status as Arsenal regulars under current boss Mikel Arteta in 2020. After one sensational display on Boxing Day of that year, during what was an otherwise dismal campaign, Ferdinand tipped the pair for big things. Speaking after a 3-1 home victory over Chelsea, …