Chris Andersen has played in the NBA .
Some of the best shot-blockers in the NBA have been Bill Russell , Wilt Chamberlain , Kareem Abdul-Jabbar , Bill Walton , Mark Eaton , Manute Bol , Hakeem Olajuwon , Tree Rollins , Patrick Ewing , Shaquille O'Neal , David Robinson , Dikembe Mutombo , Alonzo Mourning , Ben Wallace , Theo Ratliff , Jermaine O'Neal , Andrei Kirilenko , Marcus Camby , Chris Andersen Tim Duncan , Dwight Howard , Yao Ming , Josh Smith , Emeka Okafor and Kevin Garnett
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