In 62 games with the Predators this season, Legwand registered 10 goals and 30 assists for 40 points.
The Detroit native has played in 956 career games, all with the Predators, and has accumulated 210 goals and 356 assists for 566 points.
He was originally drafted second-overall by the Preds in the 1998 NHL Entry Draft.
Eaves, 29, tallied two goals and three assists for five points in 25 games with the Wings this season.
The Calgary native has played in 439 career games with the Ottawa Senators, Carolina Hurricanes and Red Wings, and has accumulated 74 goals and 72 assists for 146 points.
He was originally drafted 29th overall by Ottawa in the 2003 NHL Entry Draft.
Jarnkrok, 22, was selected in the second-round, 51st overall, by the Wings in 2010.