He's having an excellent campaign but one of those who has a ceiling and wouldn't leave as he's starting. Maybe someone you get cheap a few years down the line.
Weird list of names there. None you would expect to come as backup. The Belgian Vancevoordt seems the most attainable looking a values and his contract expiring but wouldn't come to play shitcan minutes, and needs to play and develop. While the Leeds goalkeeper would be very expensive and the one at Nantes would give a heart attack judging by his highlights.
Now if we were looking to give Stegen competition as a starter I reckon Dragoswki would give it a shot. But seems Xavi has no issues with Mats and likes his passing game to much to get a big name to compete.
MATS is expensive, more expensive than his worth.
Sooner or later the board will try to get rid of him, even with Xavi and his amigo bromance.
And tbf Stegen competition is Neto, tough to judge what Xavi will do with better GK.
So it makes sense from club stand point.
Regarding the GK view, I fail to see a more obtainable starting spot for big club than Barca.
Bayern, City, Liverpool, Chelsea, Manu, RM, Milan & PSG all have better GK and in most cases they are same age or even younger than Stegen. Inter just signed new one, and Oblak was elite up till last year. Maybe Juve?
So if you are a GK with competitive nature, you see Stegen form for over 2 years, and our board coming for you. It is easy to buy into the idea you can prove yourself as starting GK