Islanders Oliver Wahlstrom out for season with knee injury

TAMPA, Fla. — Lou Lamoriello confirmed what everybody already knew. Oliver Wahlstrom is out for the season. “He will not be back [this season], yes, but he will definitely be ready before the summer’s over,” Lamoriello said before the Islanders’ 5-0 loss to the Lightning. That comes as little surprise, given that Wahlstrom last played before Christmas, and was last seen sporting crutches and a brace on his left knee. The injury to the right winger was tough news for the Islanders at the time, since the 22-year-old had earned a regular spot in the lineup and impressed with his…