Team USA finally broke their losing streak against Team Canada on Saturday, emerging from the sides’ first meeting in over nine years with a closely-fought 3-1 victory. But the win has come at a cost, as top-line winger Matthew Tkachuk has been announced as out with a lower-body injury, head coach Mike Sullivan told NHL.com’s Dan Rosen. Sullivan made no indication of if Tkachuk would be available for USA’s Monday matchup against Team Sweden. The game will be relatively low-stakes given USA has already clinched a championship spot, which could offer Tkachuk a timely break.
It wasn’t clear when Tkachuk suffered his injury. He played his final shift with 12 minutes remaining in the third period and stayed on the bench for…