You can't cover Toure's inability to sprint entirely, but some systems are better than others.How? Where was it weak? What was wrong with it?
When we don't have the ball, Fernando, Delph, Fernandinho can close the space down quickly and shepherd the opponent away but Yaya can't get close and this hurts us all the time. I think it explains in large part our poor results against the better teams who are able to retain possession.
We were reminded of the good and bad in Yaya's game last night. I think it would be much better to use him from the bench in games like the League Cup Final when its stretched in the last 20 mins or in extra time. He could be decisive then. Or start him against weaker opponents at home.
I think Pellegrini is going to carry on playing him whenever possible and that is going to limit our success this season.
We don't have a replacement, and we have injuries but there are still plenty of options eg play Kompany in the defensive midfield role, or Zabaleta. They have both done that before. None of this is ideal of course but I think if we play against any top side we'll be left chasing shadows in midfield if Toure plays.