AFC Bournemouth v Coventry City

Don't understand the thought process in this selection/formation. Thankfully, I'm not paid to understand it, just looks very odd.
 
It looks like a back three with Anthony and Stacy as wing backs. Why he can’t just play Davis at LWB I’m not so sure, surely a better option that playing Anthony out of position. Why the need for three centre backs too I don’t know. At least he’s playing Jeff at CB though ( I think) so we’ll have a bit of pace back there
 

;