Premier League Gameweek 2

are centre backs allowed to do that?
 
Forget the goal, look how quick chelsea move the ball. You never see their CBs walking.
 
Could have had Koulibaly for less than Martinez. Spent 3-4 years scouting him as well.
 
Even outside the goal Koulibaly looks brilliant. So powerful and aggressive off the ball, but looks technical with it. Understand the hype with him now.