The Atlantic Hawks, racing Bullets et al for the playoffs, may have to go the rest of the way minus Eddie Johnson. Driving with the ball Sunday in Capital Centre, Johnson hurt his right knee. Ligament tear; on crutches, he awaits doctor's word as to surgery . . .

Sam Bowie, Kentucky's 7-footer who aims to play in Rupp Arena again in 1983-84, has clearance to shed the cast on his injured left shinbone and begin exercising. "The bone graft (of Oct. 20)," says the doctor, "looks excellent" . . . All-ACC (by Atlantic Coast Sports Writers Association, 142 voters): Ralph Sampson and Michael Jordan, unanimous, 284 points; Sam Perkins 282; Thurl Bailey 191, Sidney Lowe 166. Second five: Othell Wilson 162, Ben Coleman 158, Adrian Branch 157, Mark Price 149, Johnny Dawkins 117. Half the 10 are from national capital area . . . .

Maryland's Lefty Driesell, up for today's noon shootout from three-point range with CBS' Billy Packer in Cole Field House (free admission) after noting Packer's "If I lose" pledge to the Basketball Hall of Fame: "I got to practice dunkin' or somethin', psych him out. I want to see that little sucker cough up $2,500."