Chicago Best Along GroundCHICAGO, Nov. 4—The Chicago Bears have asserted themselves as the best ground gaining team in the National Professional Football League this week before their game with the Green Bay Packers, their closest rivals. The Washington Redskins are the best passing team, both in yardage and percentage.The Bears have gained 385.5 yards a game, while the Packers are more than 30 yards behind with a 352.3-yard a gamepercentage. In rushing the Bears have a 169-yard average, with Green Bay rightat their heels with 164.3.The passing laurels go to the Washington Redskins, who have a per-game average of 211.2 yards, the Bears 208.3. Washington's average for completions is .432 to the Bears’ .523. The Redskins haveaveraged 41.5 yards a try on their punts.