Since the Stanley Cup playoffs began Saturday, there have been seven games go to overtime, including three featuring the Boston Bruins and Washington Capitals (one of which went to double OT). The most recent OT game came Thursday night, when the Florida Panthers edged the Tampa Bay Lightning 6-5.
In other words, the NHL postseason is off to a thrilling start. And that's likely to continue Friday, when there are four first-round matchups on the schedule. For several teams already facing deficits, these are close to must-win games if they hope to avoid being swept.
Here's everything you need to know about Friday's Stanley Cup playoff action.