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Williams 2012-2013 Stats Per Game: 17.7 points, 2.2 rebounds, 7.7 assists, 0.7 steals, 17.90 PER
Irving 2012-2013 Stats Per Game: 24.3 points, 4.1 rebounds, 6.5 assists, 1.1 steals, 22.30 PER
Nets fans may disagree, but Irving has already overtaken Williams as a top five point guard in the NBA.
Williams is still an elite player in the league, but his career has gone drastically downhill lately. Starting in the 2007-08 season, Williams has seen a decrease in his field-goal percentage every single year. His assists per 40 minutes have decreased each season since 2008-09, and last season opposing point guards posted a PER of 18.00 when being guarded by Williams.
While Williams' numbers continue to dive, Irving's continue to rise.
Shooting percentage last season wasn't even close, as Irving shot 46.9 percent to Williams' 40.7 from the field. On three-pointers, Irving made 39.9 percent to Williams 33.6. Irving also won the turnover battle with only 3.1 to Williams' 4.0 per game.
Williams' career-high PER rating in seven seasons is 21.19. Irving had a rating of 21.49, as a rookie.
Whatever Williams does, one could make the argument Irving can already do it better.
Even at 20 years of age, Irving should be considered the better point guard over the 28-year-old Williams.