<P> Only 21 times has a player posted a season efficiency rating over 30.0 (with more than 15 games played in that season), with the highest score being 31.84 . Michael Jordan and LeBron James lead with four 30 + seasons, with Shaquille O'Neal and Wilt Chamberlain having accomplished three each, and David Robinson, Dwyane Wade, Chris Paul, Tracy McGrady, Anthony Davis, Stephen Curry and Russell Westbrook having accomplished one each . The 2008--2009 season was unique in that it was the only season in which more than one player (LeBron James (31.67), Dwyane Wade (30.46), and Chris Paul (30.04)) posted efficiency ratings of over 30.0 . </P> <P> As of 20 April 2016 </P> <Table> <Tr> <Th> Rank </Th> <Th> Player </Th> <Th> PER </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> Michael Jordan * </Td> <Td> 27.91 </Td> </Tr> <Tr> <Td> 2 . </Td> <Td> LeBron James ^ </Td> <Td> 27.65 </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> Shaquille O'Neal * </Td> <Td> 26.43 </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> David Robinson * </Td> <Td> 26.18 </Td> </Tr> <Tr> <Td> 5 . </Td> <Td> Wilt Chamberlain * </Td> <Td> 26.13 </Td> </Tr> <Tr> <Td> 6 . </Td> <Td> Chris Paul ^ </Td> <Td> 25.68 </Td> </Tr> <Tr> <Td> 7 . </Td> <Td> Bob Pettit * </Td> <Td> 25.35 </Td> </Tr> <Tr> <Td> 8 . </Td> <Td> Kevin Durant ^ </Td> <Td> 25.04 </Td> </Tr> <Tr> <Td> 9 . </Td> <Td> Neil Johnston * </Td> <Td> 24.69 </Td> </Tr> <Tr> <Td> 10 . </Td> <Td> Dwyane Wade ^ </Td> <Td> 24.67 </Td> </Tr> <Tr> <Td> 11 . </Td> <Td> Charles Barkley * </Td> <Td> 24.63 </Td> </Tr> <Tr> <Td> 12 . </Td> <Td> Kareem Abdul - Jabbar * </Td> <Td> 24.58 </Td> </Tr> <Tr> <Td> 13 . </Td> <Td> Tim Duncan </Td> <Td> 24.29 </Td> </Tr> <Tr> <Td> 14 . </Td> <Td> Magic Johnson * </Td> <Td> 24.11 </Td> </Tr> <Tr> <Td> 15 . </Td> <Td> Karl Malone * </Td> <Td> 23.90 </Td> </Tr> <Tr> <Td> 16 . </Td> <Td> Hakeem Olajuwon * </Td> <Td> 23.59 </Td> </Tr> <Tr> <Td> 17 . </Td> <Td> Larry Bird * </Td> <Td> 23.50 </Td> </Tr> <Tr> <Td> 18 . </Td> <Td> Oscar Robertson * </Td> <Td> 23.17 </Td> </Tr> <Tr> <Td> 19 . </Td> <Td> Dirk Nowitzki ^ </Td> <Td> 23.12 </Td> </Tr> <Tr> <Td> 20 . </Td> <Td> Yao Ming * </Td> <Td> 23.02 </Td> </Tr> <Tr> <Td> 21 . </Td> <Td> Kobe Bryant </Td> <Td> 22.94 </Td> </Tr> <Tr> <Td> 22 . </Td> <Td> Jerry West * </Td> <Td> 22.89 </Td> </Tr> <Tr> <Td> 23 . </Td> <Td> Stephen Curry ^ </Td> <Td> 22.88 </Td> </Tr> <Tr> <Td> 24 . </Td> <Td> Russell Westbrook ^ </Td> <Td> 22.82 </Td> </Tr> <Tr> <Td> 25 . </Td> <Td> Elgin Baylor * </Td> <Td> 22.69 </Td> </Tr> <Tr> <Td> 26 . </Td> <Td> Kevin Garnett </Td> <Td> 22.66 </Td> </Tr> <Tr> <Td> 27 . </Td> <Td> Moses Malone * </Td> <Td> 22.31 </Td> </Tr> <Tr> <Td> 28 . </Td> <Td> Kevin Love ^ </Td> <Td> 22.13 </Td> </Tr> <Tr> <Td> 29 . </Td> <Td> Tracy McGrady * </Td> <Td> 22.13 </Td> </Tr> <Tr> <Td> 30 . </Td> <Td> James Harden ^ </Td> <Td> 22.00 </Td> </Tr> <Tr> <Td> 31 . </Td> <Td> Dolph Schayes * </Td> <Td> 21.98 </Td> </Tr> <Tr> <Td> 32 . </Td> <Td> Julius Erving * </Td> <Td> 21.97 </Td> </Tr> <Tr> <Td> 33 . </Td> <Td> Dwight Howard ^ </Td> <Td> 21.87 </Td> </Tr> <Tr> <Td> 34 . </Td> <Td> Amar'e Stoudemire ^ </Td> <Td> 21.87 </Td> </Tr> <Tr> <Td> 35 . </Td> <Td> John Stockton * </Td> <Td> 21.83 </Td> </Tr> <Tr> <Td> 36 . </Td> <Td> George Gervin * </Td> <Td> 21.74 </Td> </Tr> <Tr> <Td> 37 . </Td> <Td> Bob Lanier * </Td> <Td> 21.69 </Td> </Tr> <Tr> <Td> 38 . </Td> <Td> Pau Gasol ^ </Td> <Td> 21.62 </Td> </Tr> <Tr> <Td> 39 . </Td> <Td> Dominique Wilkins * </Td> <Td> 21.65 </Td> </Tr> <Tr> <Td> 40 . </Td> <Td> Clyde Lovellette * </Td> <Td> 21.55 </Td> </Tr> <Tr> <Td> 41 . </Td> <Td> Adrian Dantley * </Td> <Td> 21.51 </Td> </Tr> <Tr> <Td> 42 . </Td> <Td> Harry Gallatin * </Td> <Td> 21.48 </Td> </Tr> <Tr> <Td> 43 . </Td> <Td> Alonzo Mourning * </Td> <Td> 21.24 </Td> </Tr> <Tr> <Td> 44 . </Td> <Td> Carmelo Anthony ^ </Td> <Td> 21.13 </Td> </Tr> <Tr> <Td> 45 . </Td> <Td> Brook Lopez ^ </Td> <Td> 21.09 </Td> </Tr> <Tr> <Td> 46 . </Td> <Td> Clyde Drexler * </Td> <Td> 21.07 </Td> </Tr> <Tr> <Td> 47 . </Td> <Td> Manu Ginobli ^ </Td> <Td> 21.03 </Td> </Tr> <Tr> <Td> 48 . </Td> <Td> Patrick Ewing * </Td> <Td> 21.01 </Td> </Tr> <Tr> <Td> 49 . </Td> <Td> Dan Issel * </Td> <Td> 20.99 </Td> </Tr> <Tr> <Td> 50 . </Td> <Td> Chris Webber </Td> <Td> 20.94 </Td> </Tr> </Table> <Tr> <Th> Rank </Th> <Th> Player </Th> <Th> PER </Th> </Tr>

Who has the highest player efficiency rating in the nba
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