I commented in my quote below nearly a couple years ago after he kept getting yellow cards and second yellows, he's still not learned from my points on how to bully defenders properly and has so far fared much worse in the men's game than expected.
The potential is still there and he'd started playing well very lately too but he's been very unlucky with the timing of this injury, especially seeing as they've just loaned Fabio Carvalho off the dippers and already had Jaden Philogene the impressive England u21 player ripping up trees.
I think Delap would've likely scored a lot and also benefited from good link up play between now and the end of the season, the injury is truly awful timing for him he can still potentially become a Prem player too as some players develop later than others.
The ship for him has sailed here and the potential of a massive fee for us has too as he hasn't adapted to the men's game as quickly as anticipated, the Stoke move was a disaster he went against club wishes and went out of his way to go there and he didn't kick on at Preston either, it's just a matter of when we sell him now but maybe we should offload him very cheaply and consider a Tommy Doyle type 50% sell on.
I wouldn't write him off as a player just yet but he certainly needs to learn how to become a top nuisance like Kevin Davies, he's clueless on how to properly use that big frame of his just learning some tricks in that department, plus also improving link up play would easily see him become a Prem player but it all just depends on his ability to learn and his intelligence.