Over the years, there have been numerous players who could’ve changed the landscape of the NBA as we see it today, and become household names just like the superstars that we know and love today. But whether it was problems with substance issues, run-ins with the law, work ethic, or all of the above, these guys failed to live up to their great potential. Here is a list of 15 NBA Players who ruined what could have been very illustrious NBA careers. Most fans completely forget about player #8! Click the Next button below to get started.