Amadio, 25, appeared in five games with the Ottawa Senators after being acquired in a trade with the Los Angeles Kings where he skated in 20 games, registering two assists. The Sault Ste. Marie, Ontario native has 40 points (16 goals, 24 assists) in 173 regular season games between Los Angeles and Ottawa.
Amadio was originally selected by Los Angeles in the third round (90th overall) of the 2015 NHL Draft.
Seney, 25, appeared in two games with New Jersey while skating in 30 games with Binghamton (AHL) during the 2020-21 season, recording five goals and five assists. The London, Ontario native has recorded 13 points (5 goals, 8 assists) in 53 career NHL games.
He was originally selected by New Jersey in the sixth round (157th overall) of the 2015 NHL Draft.