Raymond Clayborn and the NFL Players Association have appealed the $2,000 fine imposed on the New England cornerback Oct. 2 for noncooperation, to put it mildly, with the media. Ed Garvey, NFLPA's executive director, calls Commissioner Pete Rozelle's closed-door hearing on the matter Sept. 18 a "kangaroo court" and really lets the commissioner have it in the players union newsletter. The Audible.

Garvey wrote that "the evidence at the hearing was conclusive" that Boston sportswriter Will McDonough punched Clayborn before Clayborn poked back at him. "Raymond," said Garvey, "struck back. Wouldn't you? . . .

"The fine is ridiculous, but wait until you hear the commissioner's reasoning . . . that Clayborn was guilty, but not of slugging Will McDonough. No, he was guilty of not cooperating with the media. The Wizard of Oz has nothing on Head Kangaroo" . . .

Now that unlucky Laurel Race Course is about to reopen at Pimlico, maybe buffs will get to see Jeff Blum, 18 make his "Laurel" riding bow. His debut had been billed for last week, billed because apprentice Blum (who has been riding in New Jersey) is the son of ace jockey Walter Blum . . . And Omar Moreno of the Pirates, bless his slumping "Family" soul, isn't the only swift O. Moreno. Leading rider at the Charles Town summer meeting, as he had been in the winter, was Orlando Moreno, 57 wins in 240 at-bats, er, mounts . . .