Fabio Quagliarella scored twice in the opening half to put Torino on their way to a 2-0 victory on Sunday over Sampdoria in a battle of unbeatens.In the 17th minute, Quagliarella headed in from close range Bruno Peres' cross to beat Sampdoria goalkeeper Emiliano Viviano.The Italian veteran forward doubled the advantage seven minutes later when he tapped in Andrea Belotti's pass following a corner.Samp had opportunities to score in the second half but were denied by good goalkeeping from Toro stopper Daniele Padelli and conceded their first loss of the campaign.The sides had been level on seven points from their opening three games.ends