Not sure Baker counts. He was never really a bust. He was pretty decent in Cleveland he just didn't see eye to eye with Stefanski. He then did flame out in Carolina but I think that might have been more Carolina than him.
Darnold and Geno were busts who turned it around. I think with Geno it was maturity. He always threw an accurate football and had enough arm. His issue was decision making and I think that has just improved as he matured. Darnold it was a bit more complicated IMO. But even those two... they had Jets in common 😄