I'd just assumed, perhaps wrongly, that he'd dropped deeper in his starting position to allow our forward players to manipulate space in front of him, and that he was supporting the defence when Soton were in possession. It's a tough one with Potter, as multiple positions seem fluid and not...
Playing Gross at RWB seems slightly unhinged considering his contribution going forward this season. Karbownik needs a look-in sooner or later, although in fairness, Burn seems to be much more solid in games of late.