Even the 28-year-old Rutta had two goals and 4 assists in 23 games with the Blackhawks this season. In addition, he has spent time in the minors.
Koekkoek has been selected by Tampa Bay with the 10th pick in the 2012 draft. The 24-year-old Koekkoek has 5 goals and 9 assists in 85 career NHL games.
The transaction was announced Friday.