The rookie forward has been available since the start of the semifinals, but New York opted to stick with a lineup that won four straight games before a 4-2 loss in Game 2 on Tuesday.
New York has scored five goals in the first three games against Tampa Bay, and Wahlstrom might be able to provide a spark.
The Islanders are behind in the series after losing the past two games, including 2-1 in Game 3 on Thursday.
“Absolutely, you look back and we’ve been here before, and just take care of business here.
“You go away from that game and do we make changes or do you give that group a shot and say, ‘Hey, this is going.
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