Richards had a goal and an assist for the Kings, who returned from a four-day schedule break with their ninth victory in 13 games. Quick made 19 saves, including a handful of exceptional stops in his 26th career shutout.
Jhonas Enroth stopped 26 shots for the NHL-worst Sabres (3-14-1), who couldn't follow up their stunning win at San Jose with another surprise on their three-game California road trip. Buffalo hasn't won consecutive games all season.
Defenceman Christian Ehrhoff left the Buffalo bench early in the third period with a lower-body injury, according to the club.
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