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The newly-ringed King is surpassing greats already in just 9 seasons.
This is by far the best example of how good LeBron James really is. He's only been in the league 9 years and has already surpassed hundreds of players (Steve Nash, Kareem Abdul-Jabbar, and Dirk Nowitzki, to name a few) who have been in the league longer in terms of wins production.
LeBron has been a statsheet-stuffer since day one in the league, putting up monstrous numbers:
24.9 Pts, 6.2 Ast, 6.5 Rebs, 1.6 Steals, 0.8 Blks, on 48.3 percent shooting (per 36 minutes).
But these stats are similar to Kobe Bryant's; in fact in pts Kobe outdoes LeBron (for now).
So why is LeBron already higher than Kobe (16 year veteran) in 9 years?
It's the formula once again. In this case I attribute it to points per FG attempt (which is 5.2% of the wins production score)
Kobe shoots 45.3 percent compared to LeBron's 48.3 percent. This may not seem like a big difference; however, upon further examination we can assume that this discrepancy is due to Kobe's habit of taking a lot of shots.
Kobe Bryant FG Attempted: 22,706
LeBron James FG Attempted: 14,057
Obviously, Kobe has taken so many more shots due to him being in the league 7 years longer than LeBron. However, based on the shooting percentages, it's safe to say that LeBron (so far) picks his shots better, and has a higher FG percentage for that reason—therefore a higher points per FG attempt, resulting in a higher wins production score.
LeBron is responsible for 177.7 wins in his career, which is 25.5 wins per season. This incredible number shows just how valuable LeBron is and—at least by these numbers—not overrated at all (I updated these numbers by adding on last seasons WP40).
In the season with the most wins (2008-2009 Cavs) the team had 66 wins. LeBron was responsible for winning 38.6 percent of those games.
Let that sink in.