NASHVILLE, Tenn. -Nashville Predators center Jason Arnott is expected to miss up to six weeks because of a knee injury.
The team also placed defenseman Mikko Lehtonen on injured reserve with a concussion.
The Predators recalled forward Alexander Radulov, the team's 2004 first-round draft pick, from Milwaukee of the American Hockey League.
Arnott, fourth on the team with 16 points, will undergo arthroscopic surgery on his right knee today. He was hurt in Monday's 3-1 win over Columbus.
BLUEJACKETS: Columbus recalled forward Geoff Platt from Syracuse of the American Hockey League, and sent forward Steven Goertzen to the minor league affiliate.
Platt has played in two games with the Blue Jackets this season and has five assists in 17 career NHL games - all with Columbus. He was Syracuse's leading scorer in 13 games.