Johnson on Ullmark's squandered performance, Senators' attempting a comeback and Martone's rising stardom

TSN Hockey Analyst Mike Johnson joined OverDrive to discuss the start of the Stanley Cup Playoffs, Porter Martone excelling with the Flyers' series lead, the Canadiens and Sabres looking to keep the successful run, the Hurricanes' win against the Senators and if Ottawa can claw back, the Oilers' opening win on Anaheim and more.