SPORTSNET.CA<div class='quotetop'>QUOTE </div><div class='quotemain'>APPLETON, Wis. (AP) -- Green Bay Packers linebacker Nick Barnett was arrested early Sunday after a disturbance at a nightclub.Police said in a statement that Barnett was taken into custody for battery after allegedly being involved in a physical altercation about 2 a.m. at the Wet. He was taken to Outagamie County Jail in Appleton and released within an hour after posting a US$500 cash bond.Barnett appeared for a charity softball event later Sunday, participating in a preliminary game involving Packers players and sponsors. But he left the field before the regular game and didn't return.He was unavailable for comment.In a statement issued after the game, the team said, "We are aware of the incident in Appleton involving Nick Barnett. The Packers organization is going to defer further comment until we have had a chance to speak with Nick and gather more facts."</div>