The ugliness occurred with 3:39 left as Robidas was flattened by Tootoo's sucker punch and had to be carted off the ice on a stretcher. After Tootoo's late hit on Modano in the Dallas zone, Robidas rushed to challenge him. Tootoo turned to face Robidas with a punch directly to Robi's chin, laying him out. Robidas stayed down for several minutes before being lifted onto the stretcher.
Click Here for Video. The event happens at about 3:20 in this video.
Here are the calls the refs made
Somehow, Robidas ended up with a charging penalty while all Tootoo got was just a double-minor for roughing, but the Stars did capitalize on the ensuing power play.