Erstwhile Liverpool midfielder, Jamie Redknapp, has picked Bukayo Saka as the key player to Arsenal’s hope of winning the Premier League and other titles this season. Redknapp was reacting to the player’s performance in the Gunners 2-0 win at Aston Villa on Saturday. Arsenal moved to third place in the league table following the 2-0 away win at Villa Park. After a goalless first half, Leandro Trossard came off the bench to put the Gunners in front before Thomas Partey doubled their lead 13 minutes from time. Saka did not score in the game but provided the assist to Partey that essentially conf…