Arsenal winger Bukayo Saka has now opened up about one challenge Mikel Arteta set for him amid hectic fixture schedule. Bukayo Saka has played a huge amount of football for Arsenal already this season. Mikel Arteta is extremely reliant upon the Hale End academy graduate, who is the Gunners’ most potent attacking force. Ahead of this afternoon’s all-important North London derby clash against Tottenham Hotspur, Saka has already made 44 appearances across all competitions this season, and has racked up 18 goals and 14 assists. The 22-year-old is a talismanic figure at the Emirates Stadium, and sh…