Anaheim claimed Hagman, a three-time 20-goal scorer, off re-entry waivers from the Calgary Flames.
Hagman was glad to be in another situation after, he said, his role was diminished in Calgary.
"It was tough because you were watching the games and you feel like you're in good shape and you feel like you've been playing well but still you're sidelined because of so many bodies," Hagman said when he met local reporters Tuesday.
"I was just relieved to get into a new environment and get a chance to play and, that way, show that I can play and should be in this League."
Hagman gives Anaheim four Finnish players, including Olympic teammates Teemu Selanne and Saku Koivu. Coach Randy Carlyle said he wouldn't put Hagman with Selanne and Koivu, but instead on the third line.
"We think he's a fit for our group with his work ethic and his commitment to playing the game in those dirty areas, getting inside, getting in on the forecheck," Carlyle said. "That's really what our expectations are.
"We hope, and we're gambling to some degree, that this is going to be the right place at the right time for Nik to come in."
The move is in response to Anaheim's 30th-ranked offense, and Carlyle acknowledged that they have a lot of youth on their bottom six forward unit.
"Probably desperation looking for the third line," Carlyle said. "We're putting a lot of pressure on young kids."
George Parros is wearing a visor as he recovers from laser surgery to repair a torn retina.
The noted enforcer hasn't committed to it, though. He will be out for about another two weeks and is wearing it on a trial basis.
"It's just precautionary for now," Parros said. "I haven't decided whether I'm going to wear it during game play or not."
"It's interesting to play the puck on a backhand for me with the visor line there. But I have a couple of weeks to get used to it."
Parros was struck by the puck in practice on Nov. 5, the second time he was hit in a few days.
Teammate Andrew Gordon was the culprit, and Parros joked that Gordon doesn't owe him.
"It's not his fault at all," he said. "He did buy me dinner on the road, so I took it and thanked him for it."