Veteran defenseman Dennis Seidenberg has agreed to a one-year deal worth $1 million with the Islanders, according to a league source.

In June, the Bruins bought out the final two years of Seidenberg's contract worth an annual cap hit of $4 million. Seidenberg, 35, has played 13 seasons in the NHL with the Bruins, Flyers, Coyotes, Hurricanes and Panthers.

The Boston Bruins have signed forward Brad Marchand to an eight-year contract extension worth $49 million through the 2024-25 season, the team announced Monday.

The Islanders have agreed to terms on a two-year, $5 million deal with restricted free-agent forward Ryan Strome.

The 23-year-old, selected by the Islanders in the first round -- No. 5 overall -- in the 2011 draft is coming off a season in which he had eight goals and 20 assists in 71 games. Those numbers were down from his career highs of 17 goals, 33 assists and 50 points in 81 games in 2014-15.