Both are expected to play for the Admirals this weekend, the Predators announced Wednesday.
Bourque, 25, has missed the Predators' last 48 games after leaving the team's Nov. 27 game at Philadelphia with an upper-body injury.
Nystrom, 33, has missed Nashville's last 21 games with a broken foot sustained on Jan. 26 at Vancouver.
NHL
Hall of Famer Gordie Howe dies at age 88 - reports
10/06/2016 AT 13:46
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The Calgary Flames recalled forward Freddie Hamilton on an emergency basis from the Stockton Heat of the American Hockey League.
Hamilton, 24, is playing in his first season for Calgary's AHL affiliate after being acquired in a trade with Colorado in October 2015.
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The Boston Bruins assigned forward Frank Vatrano to Providence of the American Hockey League.
Vatrano, 22, was recalled from Providence on an emergency basis prior to the Bruins' trip to San Jose on Monday but did not play in their game against the Sharks on Tuesday night.
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The Buffalo Sabres assigned forward Daniel Catenacci to the Rochester Americans of the American Hockey League.
Catenacci has played in 10 games for the Sabres this season without scoring a point.))
NHL
Toronto Maple Leafs win draft lottery, get first overall pick
01/05/2016 AT 00:28
NHL
Lightning beat Islanders 4-1 to even series after two games
30/04/2016 AT 22:50