The New York Islanders are making waves in the NHL offseason, and it's not just the waves at the UBS Arena. The team has announced the signing of forward Matt DuPuis, a move that could bring some much-needed depth to the Islanders' forward corps. But DuPuis' arrival is just the tip of the iceberg, as the Islanders and other teams continue to make big trades and signings that are shaping the league's landscape. With the NHL's free agency period still in full swing, Lighthouse Hockey takes a look at the latest developments and what they mean for the Islanders and their fans.

Islanders & NHL News: DuPuis joins Isles; big trades keep coming  Lighthouse Hockey