DALLAS — The Islanders paid for their mistakes.
Alexander Radulov returned with a goal and an assist on a revitalized Dallas power play, and the Stars beat the Islanders 3-1 on Saturday night.
Andrew Cogliano and Denis Gurianov also scored for the Stars, and Ben Bishop stopped 34 shots.
Mathew Barzal scored for the Islanders, and Thomas Greiss finished with 34 saves.
Radulov, a healthy scratch for the Stars during their win over Winnipeg on Thursday night, scored on a power play to give Dallas a 2-0 lead with just under four minutes left in the first period.