In just my small amount of viewing various games yesterday, all featuring the new, revolutionary black quarterbacks, I would have to say that they all suck. When compared to a classic white thrower. All of them are products of a spread/option that feature wide-open running lanes and defenses running cover twos, allowing for giant windows in the coverage to make throws.
When in a spread "passing" play, they all take the shotgun snap and set up 10 yards behind the line of scrimmage and just stand there. In the NFL, these same black quarterbacks do the same thing, but in the NFL the DE's will make you step up in the pocket, which they don't know how to do. These black quarterbacks have nearly zero pocket awareness. Watch the Gremlin, Geno Smiff, EJ Manuel, etc. That's what they try to do. Set up, stand there, get crushed when the two DEs converge 10 yards upfield.