The Kings drop their third straight game, 4-1, and have totaled four goals during their skid. Kuemper leaves the ice after being hit high by Dallas' Mikko Rantanen.
The Kings have an apparent OT winner by Anže Kopitar overturned for a kicking motion on video review in a 2-1 loss. Adrian Kempe scores a rare first-period goal and Darcy Kuemper makes 36 saves.
Hoping to shake a rough overtime loss in Seattle in which they accrued seven penalties, the Kings take on one of the Pacific's hottest teams since Nov. 19.
Seattle ties the score on a power play with 25.3 seconds left in the third period, then gets another man-advantage goal 1:21 into OT to hand the Kings a 3-2 defeat.
Adrian Kempe and Anze Kopitar also score and Kevin Fiala has two assists as the Kings get their third win in five games, 4-2, at Utah. Darcy Kuemper stops 19 shots.
The Kings, who take on Chicago on Saturday evening, are searching for answers for their lackluster offense after having lost six of their past eight games.