Senators 6, Red Wings 1: Jason Spezza and Bobby Ryan each scored twice as visiting Ottawa spoiled Daniel Alfredsson's first game against his former team.Eric Gryba and Jared Cowen also scored while Erik Karlsson and Kyle Turris added a pair of assists apiece for the Senators, who beat Detroit for the first time since Jan. 12, 2008. Craig Anderson made 31 saves for just his third win in eight career games versus the Red Wings.Todd Bertuzzi scored a first-period power-play goal while starting netminder Jimmy Howard was pulled after allowing three first-period goals for Detroit, which has dropped three straight. Alfredsson, who spent his first 17 NHL seasons in Ottawa, didn't record a point in 16:12 of ice time.Ottawa used the man advantage to build a 3-1 lead through one period. After Gryba's first goal opened the scoring at 5:46, Spezza's power-play goal doubled the advantage at 10:48 and Ryan extended the lead less than 3 1/2 minutes later with Kyle Quincey serving a tripping penalty.Spezza made it 4-1 early in the second period, firing his own rebound past Jonas Gustavsson after his initial shot deflected off the end glass. Cowen fluttered a shot that eluded Gustavsson 1:50 into the third and Ryan capped the rout with a conversion of a Clarke MacArthur rebound at 6:13.GAME NOTEBOOK: Spezza has six goals in six road games this season. ... Ottawa finished 2-for-3 on the power play after coming into the night with just three man-advantage goals in 24 opportunities. ... Red Wings F Stephen Weiss was held off the scoresheet and has just two points - both goals - in his first 11 games with Detroit.