Ayew grabbed the vital opening goal against Swansea City last weekend – a simple tap in – but showed signs that he may be recapturing some form.
The manager explained afterwards that he wanted to give him game time as the club’s record signing at £20 million bids to find his real form.
But Obiang has been one of the club’s strongest players this season – performing very well indeed during the difficult games preceding the current run against Liverpool, Burnley and Hull – where he was ruled out of the Swansea game via a yellow card.
Word is that he will recapture the starting role with Ayew starting on the bench. Havard Nortveidt is likely to retain his place in a back four.
But it’s hard to second guess Bilic who is always capable of springing a surprise or two.