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ANAHEIM, Calif. (AP) - Ryan Getzlaf had three goals and an assist in the first period, linemate Dustin Penner also scored four points, and the Anaheim Ducks remained the NHL's only unbeaten home team with a 6-2 victory over the Buffalo Sabres on Friday night.

Getzlaf got his first career hat trick before the first intermission as the league-leading Ducks (14-3-1) trounced the league-worst Sabres (3-15-1) for their seventh win in eight games overall.

Frederik Andersen made 25 saves and improved to 5-0 in his NHL career as Anaheim won its seventh straight at Honda Center.

Mikhail Grigorenko scored his first two goals of the season for the Sabres, who finished their three-game California road swing with back-to-back losses. Ryan Miller stopped 28 shots in the first two periods while dropping to 2-11.