Michael Grabner — one of the fastest skaters in the NHL — was streaking down the left wing, and the only Blackhawks player anywhere near him was defenseman Brent Seabrook, who is, well, not one of the fastest skaters in the NHL. But with a few long strides and a little extra effort, Seabrook somehow caught up to the speedy New York Islanders winger and separated him from the puck before he could get a shot off against Corey Crawford. It was an eye-catching moment for a guy known more for his bruising hits and big shots than his blinding speed. “That was something a little special. That was for the Team Canada guys,” Seabrook joked. Seabrook, like so many of his countrymen, is eagerly waiting for Tuesday’s announcement of the Canadian Olympic roster, one of the most hotly debated hockey topics in recent memory. And Seabrook — who was the seventh defenseman for Canada during its run to the 2010 gold medal in Vancouver — is firmly on the bubble. His stellar play so far — admittedly motivated in part by his desire to return to the Olympics — certainly has put him in the conversation. He has four goals in the last four weeks, is on pace for career highs in assists and points and leads all NHL defensemen with a gaudy plus-22 rating.