Sam Presti is the only NBA executive ever to draft three future MVPs and he did it in three consecutive drafts. It’s a maniacal stroke of luck and an exercise of risk/reward, chance and foresight. By doing so, Presti at the time guaranteed short-term success for the soon-to-be relocated Seattle Sonics into the Oklahoma City Thunder. The new franchise would operate in the league’s smallest market and need super-sized star power to sustain…