 Diepenbrock said that people without meaning any harm assume since Lin is Asian that he is not a basketball player . The first time Lin went to a Pro @-@ Am game in Kezar Pavilion in San Francisco , a security guard informed him : " Sorry , sir , there 's no volleyball here tonight . It 's basketball . " Early in his stint with the Knicks , a security guard at Madison Square Garden stopped Lin from entering the players ' entrance , mistaking him as a trainer . After signing with the Hornets , the five @-@ year NBA veteran had to convince security at Charlotte 's Time Warner Cable Arena that he was a player . 
