The Blues, 0-4-1 in their past five games after going 6-3-0 in their previous nine, have scored two goals or fewer in seven of their past 10 games. They hold the second wild card into the Stanley Cup Playoffs from the Western Conference, and lead the Los Angeles Kings and Calgary Flames by one point.
Forward Nikita Soshnikov could make his Blues debut after being traded from the Toronto Maple Leafs on Feb. 15; he needed to wait for his work visa.
The Predators, seeking their fourth straight win, are 8-2-2 in their past 12 games and are tied for first place in the Central Division with the Winnipeg Jets.
Nashville goaltender Pekka Rinne is 12-1-1 with a 2.04 goals-against average, a .933 save percentage and two shutouts in his past 14 starts.