Kalus, a 23-year-old native of the Czech Republic, has 6 goals, 8 points and 68 penalty minutes in 34 games for the Houston Aeros, Minnesota's AHL farm team. He was originally taken by Boston in the second round No. 39) in the 2005 Entry Draft and made his NHL debut with Boston in 2006-07, scoring 4 goals and adding an assist in nine games.
Boston traded Kalus to Minnesota in the summer of 2007. This is his fourth season with the Aeros; his only stint with the Wild was a two-game recall in 2009-10 in which he did not score.