L.A. earned a tight win over San Jose in Game Seven, 2-1.
Chicago's top scorers haven't found the back of the net since Game 1, and will need an explosion at home to stay alive.
Several injuries to both teams could stretch the best of seven series out.
Pittsburgh last reach the Eastern Conference finals in 2009, when they last made a run for the Stanley Cup.
Chicago, who lost just seven games in the regular season, lost to Detroit on Thursday, 2-0.
The New York Rangers will host the Boston Bruins in Game 4 of their 2013 NHL Playoff series.
Top-seeded Chicago is in danger of falling behind 3-1 Thursday in Detroit.
The Senators held Pittsburgh to a playoff-low one goal in Game 3.
Boston held off the Rangers at Madison Square Garden on Tuesday night, 2-1, to take a 3-0 series lead.
The Los Angeles Kings will visit the San Joe Sharks in Game 4 of their 2013 NHL playoff series.
The New York Rangers will host the Boston Bruins in Game 3 of their 2013 NHL Playoff series.
The series shifts to New York for Game Three on Tuesday, with Boston leading, 2-0.
Sidney Crosby's hat trick and Evgeni Malkin's points streak have put Ottawa in danger of falling behind 3-0.
New York is now 0-3 in overtime this postseason after its 3-2 loss to Boston in Game One.
Pittsburgh's Sidney Crosby as hit a bit of scoring slump, but has still tallied six assists in the last five games.
L.A. scored twice off a five-on-three powerplay on Thursday night.
The New York Rangers will visit the Boston Bruins in Game One of their second-round NHL playoff series.
Detroit edged Anaheim in seven games due in part to the veteran center's poise.
Despite the lack of a power-play attack, New York has evened the series with Washington.
The NHL postseason has been marked by very even play.
The defending champions have been challenged by a pesky St. Louis squad.
The playoffs begin Tuesday night with the Penguins and Blackhawks favored to meet in the Stanley Cup Finals.
Dallas finished 11th in the West, prompting Joe Nieuwendyk's exit.
Both clubs enter next week's playoffs as top seeds in their conferences.
American flags and “Boston Strong” signs were flashed throughout the TD Garden Wednesday night.
Monday night's Boston Bruins game was canceled by the NHL following the Boston Marathon explosions.
Marian Gaborik was the most notable name moved on Wednesday.
Roberto Luongo, Miikka Kiprusoff, Ryane Clowe, and Ryan Whitney could be dealt before the NHL trade deadline.
The Penguins captain undergoes surgery.
Pittsburgh shut out Long Island on Saturday, but Crosby was in in the face by a puck.