The former West Ham midfielder has full faith in the Croatian.
The Newcastle midfielder has picked up plenty of yellow cards during his time on Tyneside.
Rangers boss Mark Warburton brought the veteran defender to Ibrox in the summer.
Everton have been in fine form so far this season and their is one player in particular that is not gaining the credit he should.
Every time an England squad is named, the same tired rhetoric regarding 'form' is regurgitated.
The defender has made a accomplished start at the Royals.
The best scenario for Celtic is Moussa Dembele's profile remains low.
Newcastle United are playing in the Championship this season.
Birmingham manager Gary Rowett has spoken about how he wants to see bigger crowds at St Andrew's this season.
The Austrian insists the club are still big fans of his talent.