Celtic’s win over Aberdeen sent Brendan Rodgers into another Scottish Cup Final as the Irishman continues his incredible undefeated run in the competition. Winning a Double Treble in his first tenure and taking Celtic to the quarter-final stage in 2019 before he left for Leicester, Rodgers‘ record in the tournament is imperious. But it hasn’t been perfect in terms of performance. Saturday’s win over Aberdeen highlighted defensive issues even the Celtic players recognise but Michael Stewart has identified another key area where Celtic need to strengthen in the summer after watching the Hampden …