What if Losman become a bust, becomes another Mirer or worse, shows the attitude problem many wrote about him having, where did that potential help him? Potential is used more with someone that has plenty of physical tools, and proved them all through his college career, Losman did have a good college career, but it was not great or awesome. I am 40, and yes, no where as athletic as when I played in Highschool, and College, but my point is I have no chance at ever playing in the NFL, as Losman has being good because of his very shaky potential. Maybe the comparison I gave is a bit extreme, but it may not be very off.
If you ask 10 real football people whet they think of him, you could very well get as many that will tell you Losman has an attitude problem, and will make very bad decisions at times as there will be people telling you how athletic and how big an arm he has.
Potential mean nothing, it is how you perform in the NFL, and so far AJ has had his good moments, and bad. Losman has yet to prove himself with potential and all.