The Red Devils were already interested in Lammens earlier but there was no progress. Finally the deal is closing to an end from now on.
I don't know how good he will perform though. I checked his stats from last season. 56 goals conceded in 44 games in the Jupiler League. And only 10 clean sheets...
Why don't they even try their luck with Donnarumma?
Because they won’t be able to compete with City in the attempt to sign Donnarumma. City have enough money for that, and right now they are agreeing with PSG on the terms of this transfer. Manchester United need to do everything to bring back De Gea, at the moment I think this is the best possible option for them. As for Donnarumma, Manchester United can already forget about him and not waste time on goalkeepers who concede so many goals.