He's not a left back, he's a left midfielder who helps out on defence!
And a bloody good one for the last few months!
It is no surprise that most of our attacking wing play....the kind that ends up in the box creating havoc in the opposition defence....comes from Aleks getting his foot through, or around, the ball. His free kick goals have been an added bonus this season, although I think there is far more to come from his game if he stops flopping and using his only move (left footed flick inside the defender) followed, usually by a flop!
I wouldn't get rid unless the price was close to "younger, quality replacement" price...and I don't see who that could be!