The Big Unit made a sour first impression on the Big Apple.The initial glimpse many New Yorkers had of Randy Johnson, after the Yankees traded for the 6-10 lefty in January, was of his giant nonthrowing hand stretching out menacingly toward a television camera lens and roughly pushing it aside. Johnson's heated scuffle with a Ch. 2 cameraman, and later a Daily News photographer, was front-page news - and the ninth biggest New York sports story of 2005.