The Flyers suffered their first ever loss in regulation in Nashville tonight, dropping a 4-2 decision to the Predators. Nick Spaling grabbed his third-game winner of the season 4:30 into the final period, as Martin Erat and Sergei Kostitsyn each had a goal and an assist in the win. Pekka Rinne made 36 saves for his fourth straight victory. Sean Couturier and Wayne Simmonds each had a goal and an assist, as Ilya Bryzgalov dropped his second straight decision with a 21-save effort for Philly. Minutes into the game, the Flyers nearly found themselves trailing 1-0 on what looked to be a garbage …