33-year old linebacker Keith Brooking has left the Falcons signing a 3-year deal with the Dallas Cowboys.  Brooking played in all 16 games for the Falcons last season and he made 102 tackles and defensed 3 passes.  Brooking compiled 100+ tackles in 8 of his 11 seasons with the Falcons.  He played in 161 games in his career with the Falcons making 1,127 tackles, defensing 46 passes, he had 17 sacks, forced 8 fumbles and he intercepted 12 passes.  The Falcons will need to replace Brooking with a run stopping linebacker.