Chester, Samba and Terry - The good the badass and the ugly. We are going to let a lot less goals in than a 3 of Chester, Baker/Richards and Elphick would.
Whelan can actually play in a midfield 2 with a more attacking player, or in a 3-5-2 with Jedinak and Hourihane, or in 4-3-3 in that sense it opens up the ability to play three formations without having a horrible balance in midfield. Before it was like trying to make a jigsaw with pieces from three different puzzles.