Staal was injured 5:45 into the third period when Kimmo Timonen's slap shot was deflected up and into his face. Staal immediately left the ice and did not return to the game. The Rangers have not provided an update on his condition as of yet, but one is reportedly expected to come Wednesday.
Hamrlik, 38, was placed on waivers by the Capitals on Tuesday. He was a healthy scratch in 16 of the team's 20 games. He is in the final year of a two-year contract that carries a $3.5 million salary cap hit. By claiming him, the Rangers pick up the remainder of Hamrlik's contract and cap hit.
The Calgary Sun reported that Calgary Flames goalie Miikka Kiprusoff was the first goaltender off the ice at Wednesday's morning skate, ahead of Wednesday night's game against the visiting San Jose Sharks. Traditionally, the first goalie off the ice at a morning skate will start that night's game.
In seven games prior to his injury, Kiprusoff is 2-3-2 with a 3.24 goals-against average and .870 save percentage.
DeBoer told the media Wednesday that he informed general manager Lou Lamoriello that Johan Hedberg would start against the Sabres. He also told The (Newark) Star-Ledger that Brodeur, who was placed on injured reserve Feb. 26 (retroactive to Feb. 24), is feeling better but not close to returning.
DeBoer said Brodeur is no longer day-to-day.
"I wouldn't classify [Brodeur] as day to day," DeBoer said. "I mean, he's not going to play Thursday. I don't mean it's going to be a month. It's sometime in between day-to-day and a month."
Brodeur hasn't played since pulling himself from the lineup during warm-ups prior to a game against the Winnipeg Jets on Feb. 24.
Edmundson, a 2011 second-round draft choice (No. 46), has combined for nine goals and 25 points in 60 games with the Moose Jaw Warriors and Kamloops Blazers of the Western Hockey League this season. The 6-foot-4, 200-pound defenseman has spent the past three seasons in the WHL, where he's totaled 15 goals, 68 points and 319 penalty minutes in 187 games.
Veilleux has 30 goals and 65 points in 58 games with the Moncton Wildcats of the Quebec Major Junior Hockey League this season. The 6-2, 208-pound forward, who was chosen in the fourth round (No. 102) of the 2011 NHL Draft, has 79 goals and 180 points in 240 games spanning four seasons in the QMJHL.
In five NHL games this season, Allen is 3-1-0 with a 2.62 goals-against average and .895 save percentage. In 34 AHL games with Peoria, the 22-year-old goalie is 13-18-2 with a 2.92 GAA, .904 save percentage and two shutouts.
Holzer, 25, has played 16 games for the Leafs this season scoring two goals and registering 19 minutes in penalties. He recorded his first NHL goal, which was also the game-winner, in the Leafs' 3-2 win at Washington on Feb. 5
The 6-foot-3, 205-pound defenseman is tied for third on the team in blocked shots with 37. He has also skated in 34 games for the American Hockey League's Toronto Marlies in 2012-13 collecting a goal, eight points and 28 penalty minutes.
Holzer, a native of Munich, Germany, has represented his country at several international tournaments including the 2010 Olympic Winter Games, the 2010 and 2011 IIHF World Championship, and the 2007 IIHF World Junior Championship.
Janssen was a minus-1 in three games with the Devils this season prior to be placed on waivers Jan. 31 and reassigned to Albany. In 14 AHL games, he has two assists and 37 penalty minutes.
In 311 NHL games with the Devils and St. Louis Blues, Janssen has 11 points and 750 penalty minutes.
The deal is worth $600,000 at the NHL level. Kostopoulos will be placed on waivers at noon ET on Tuesday, and if he clears will be assigned to Scranton/Wilkes-Barre of the American Hockey League.
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Very happy that old guy finally scored. It was great. You see the excitement on his face. I remember when I scored my first goal and it's just such a great feeling. Anytime you can help contribute to a team win it's a lot of fun.