I think comparison between Biss and Mac is actually quite difficult, hence the poll. Mac was merely "very good" until last season. Then suddenly jumped a level. He could also shoot from distance and take penalties. Bissouma though was a class defensive midfielder who as you rightly say, held...
Possibly true. The big thing for me is that Biss and Mac both took a couple of seasons to show how good they were. Caicedo walked into the club and was world class from week one.
I only hope Chelsea find a way to make him look ordinary.