Lightning's Callahan assessed boarding major for hit on Penguins' Letang

It did not take long for the Eastern Conference finals to get ugly.

Less than five minutes into Game 1, Ryan Callahan of the Tampa Bay Lightning boarded Pittsburgh Penguins defenseman Kris Letang.

Callahan was assessed a major penalty for boarding, but was not ejected.

Letang did skate off the ice and made his way to the locker room for examination, but was able to return later in the opening period.