SUNRISE, Fla. — Vitek Vanecek stopped all 21 shots he faced in his Florida debut, and the Panthers beat the Buffalo Sabres 4-0. A.J. Greer, Carter Verhaeghe, Anton Lundell and Sam Bennett all scored as the Panthers won their sixth-straight game. Vanecek, acquired from San Jose on Wednesday, got his first shutout of the season and 10th of his career. Captain Aleksander Barkov had an assist, giving him six points in his past two games. Nate Schmidt added two assists. Ukko-Pekka Luukkonen, made 32 saves for the Sabres, who lost their sixth straight game.