I shall try again if you read my post attentively, I was referring to our CD partnership Jones and Smalling and that have not evolved the way it should've due to injury. They should be our senior players bedding in the younger ones.
Here are Smallings injury stats of the past years, won't bother with Jones, it is only the last season he hasn't picked up some injury of note.
16/17 Knee injury Mar 23, 2017 May 1, 2017 39 days
16/17 Foot injury Oct 24, 2016 Dec 15, 2016 52 days
15/16 Shoulder injury Feb 22, 2016 Mar 7, 2016 14 days
14/15 Groin Injury Dec 8, 2014 Dec 25, 2014 17 days
14/15 Hamstring Injury Sep 25, 2014 Oct 6, 2014 11 days
13/14 Hamstring Injury Dec 5, 2013 Dec 16, 2013 11 days
12/13 Metatarsal fracture Jul 19, 2012 Nov 1, 2012 105 days
11/12 Head injury Mar 1, 2012 Mar 8, 2012 7 days