After a tough road win in overtime against the Redskins. The Saints marched into Atlanta with their eyes on a franchise best 13th straight victory. In the first quarter, Atlanta started out fast driving down the field for a Matt Bryant 36-yard field goal. The Saints responded with a Garrett Hartley 33-yard field goal. Atlanta responded with another Matt Bryant 30-yard field goal to take 6-3 lead at the end of the first quarter. The Saints would come out strong in the second quarter, when RB Reggie Bush scored on a 6-yard pass from Drew Brees to take a 10-6 lead. The Saints continued to move the ball and added onto the lead with a Marques Colston 3-yard touchdown catch from Drew Brees. Garrett Hartley kick failed giving the Saints a 16-6 lead in the second quarter. The Falcons troubles would continue. After failing to score a touchdown for the third time in the first half, Atlanta settled for a Matt Bryant 27-yard field goal to get within a touchdown at halftime. The second half looked promising for the Saints but RB Reggie Bush fumbled and recovered the ball. RB Reggie Bush would redeem his performance on the next play with a 21-yard screen pass from Drew Brees to put the Saint up 23-9. Atlanta would make a run and wear down the Saints defense when Michael Jenkins caught a 50-yard touchdown pass from Chris Redman to move within a touchdown. Jason Snelling would add a 4-yard touchdown run to tie the game at 23. Late in the fourth quarter, the Saints would have a chance to get the lead back with a Garrett Hartley 38-yard field goal. The Saints got a break when Jonathan Vilma intercepted a Chris Redman pass to give the Saints a chance to increase the lead. The Saints would move the ball but only settle for a fake field goal that failed. The results continued in doubt for the Saints until Vilma came up with another defensive fourth-down hit on RB Jason Snelling. Stopping him a yard short of the marker with just over a minute remaining, the Saints' defense came up big but gave up 392 yards. Drew Brees threw for 296 yards for the season and threw for more than 30,000 yards in his career.He also added three touchdowns for the season and tied a club record with 120 in his Saints career. RB Reggie Bush had 47 rushing yards, 33 receiving yards and two touchdowns added for the season. The Saints won 26-23. With the win, they improved to 13-0, clinching a first-round bye in the playoffs.

Based on the above article, answer a question. How many more rebounds did Russel average in 1959 over 1957?
6.6