SAN JOSE, Calif. (AP) — Logan Couture had his third career hat trick and the San Jose Sharks scored three times on the power play to beat the Buffalo Sabres 5-1 on Thursday night in their first game back from a five-game road trip. Couture and Joonas Donskoi scored power-play goals 27 seconds apart in the first period following a double-minor against Kyle Okposo for high sticking.