The Philadelphia Flyers are expected to set an NHL record by using their eighth goalie this season with Cam Talbot scheduled to start against the New Jersey Devils at Prudential Center on Friday.
Watson, 27, was Nashville's first-round pick in the 2010 NHL draft. He entered Thursday night's game against the Calgary Flames with 65 points in 265 career NHL games, including a goal and an assist in 12 games this year.
Auston Matthews scored late in the second period to finally solve Columbus goalie Joonas Korpisalo as the Toronto Maple Leafs defeated the Blue Jackets 3-0 on Tuesday to even their best-of-five qualifying round series at one game apiece.
Tristan Jarry bounced back from a shaky performance to stop 39 shots, and the Pittsburgh Penguins evened their first-round playoff series with the New York Islanders with a taut 2-1 victory on Tuesday night.
Nazem Kadri scored a buzzer-beating power-play goal to give the Colorado Avalanche a 2-1 comeback victory over the defending Stanley Cup champion St. Louis Blues in Western Conference round-robin play Sunday night.