Our sports fantasy question of the day -- no, it has nothing to do with Anna Kournikova -- deals with a tantalizing issue, a dirty expletive, the dreaded P-word, that indirectly has vexed many a coach and general manager in the NBA: potential.
   
Shush your mouth.
   
The twist here goes like this: Of the current Jazz players, which one, were he to fulfill his potential on the court every night, would most boost the Jazz's chances of winning?
   
Let's toss reality to the wind for a minute.
   
Before we do, the rules must be delineated and the term defined.