Kris Boyd believes Arne Engels could yet remain at Celtic despite continued interest from West Ham. West Ham were relegated from the Premier League last season and will spend the coming campaign in the Championship. That means Engels could potentially leave Celtic and give up Champions League football in order to play in England’s second tier. “You wonder if Arne Engels will look at it and say, right, okay, it’s potentially another chance to play in the Champions League. “From where he was last year, Nottingham Forest, an English Premier League club, putting in the bids that they did.