I think he's practising plan B to get them used to it, when plan A, (4-3-3) isn't working. Hemed + 2 wingers up front, one of course could be Baldock. Ince back in the middle with Stephens and Kayal.
Until we buy two wingers that can score regularly we'll need this plan B pretty soon.
It makes sense to play 4-3-3 to try and win the game a 4-4-2 if we are happy with a draw (or leading mya single goal in the last 20 minutes). It has always been this way.
So at home I like the 4-3-3. Against Sevilla as Europa champions (albeit with a few reserves) the cautious resilient approach may be wiser than an attacking expansive game?
I wish we had a speed merchant up front for breakaways.