castle. Rooney's Jonathan Binnington (29, San Francisco Giants) will face Jonathan Vingington (29, St. Louis) in San Francisco's San Francisco game,
Tyler Bozak and Ivan Barbashev scored the first goal of the Blues to give Binnington all he needed.
Tomas Hertl scored Sharks and Martin Jones scored 20 saves.
Game 5 is in San Jose on Sunday.
Barbra Schif blocked Gustav Nyquist's shot and shot in 35 seconds to give the Blues a quick lead. The butt of Alexander Steen at Brent Burns behind Shark's net led to Barbaev's first play-off play.
Seven goals in the playoffs this year, three of them against San Jose. The Boston Bruins have been the biggest number since scoring four goals in the 2011 Stanley Cup.
The Blues only took nine seconds to convert to Powerplay when Bozak's shot left 2-07 through multiple skates and past Jones and remained at 2-07.
San Jose had ice in the second period, but Binnington stopped all 11 shots from Sharks. Burns got the best chance of Sharks, and about three minutes left in that period.
Hertl started the home game when Burns hit the second power play of Sharks at 6:48 in the third. In his fourth postseason debut last season, San Jose scored 226 minutes (48 seconds) with no score.
A crow's face
Football star Becky Sauerbrunn has entered the game. The US women's team played friendly against New Zealand at Busch Stadium on Thursday night.
note: The blues and sharks scored 42 points in the playoffs and the highest score in the NHL. … Vince Dunn has been replaced by Carl Gunnarsson's lineup, with the puck hitting in Game 3.