A bit odd that. City fans were on his back about his lack of pace from the first games he played.
If we played a deeper formation, that alone masked his lack of pace. However, if a speedy winger got the run on him, over a short or longer distance he was fucked. Playing as one of 3 under Pep masked that.
HOWEVER in February 2017 after a disappointing draw, an agitated Pep Guardiola said in a post match interview he had 4 LB's in their 30s & he couldn't play the system he wanted to because of it.
IIRC, that summer we bought Walker Danilo & Mendy. Pep wanted to return to a back four & wanted Kolarov to stay, but I suspect he knew he'd be second choice LB.
When Lazio showed an interest in him, he jumped at the chance to play in a slower, less physical league, & to be the No1 choice as LB. City thanked him & didn't stand in his way.