The Stars now trail the Sharks by three points and Los Angeles by four points with just two games remaining. Phoenix, which is hosting Columbus Tuesday night, is two points ahead.
The Sharks scored what turned out to be the game-winning goal on the power play. The Stars power play misfired on a five-on-three power play when the game was tied.
The Stars had some great pressure early, building an 8-1 advantage in shots through the first half of the period. But Sharks goaltender Antti Niemi made several sharp saves to keep the Stars off the scoreboard.
The Sharks countered and got a good chance, but Kari Lehtonen made a big stop on a point blank chance by Shark forward Joe Pavelski.
The Sharks took a 1-0 lead with 7:51 left in the first period. Off a faceoff win in the Dallas zone, Brent Burns put a shot on net from the point and Daniel Winnik put the rebound past Lehtonen, who was knocked down in the crease.
The Stars drew even with 2:13 left in the period when Brenden Morrow came out from behind the net and beat Niemi with a sharp angle backhand shot.
The Stars got the game’s first power play with 1:22 left in the period. Burns took a hooking penalty, putting the Stars on 57 second five-on-three with 19 seconds left in the period. The Stars weren’t able to get a shot off the before the end of the period, but had 38 seconds of five-on-three time left when the period ended.
The Stars had a 12-5 advantage in shots through the first period.
The Stars opened the period with 38 seconds of five-on-three power play time, but couldn’t get a shot off, and then were unable to convert on the remaining five-on-four time.
The Sharks then went on their first power play of the game at 2:10 of the second, but weren’t able to convert.
The Stars took the lead with 8:50 left in the period when Jamie Benn sent a puck from behind the goal line to Alex Goligoski, who scored off a shot from the point.
The Sharks went on their second power play of the night with 3:03 left in the second period, and scored 27 seconds later. Martin Havlat centered the puck from the right wall and Logan Couture redirected it past Lehtonen.
The Shark went on a 4:00 power play with 16:33 remaining when Mark Fistric was given a double minor for high sticking, but the Stars were able to kill it off to keep it a 3-2 game.
The Stars had a great chance to tie when Jamie Benn had a breakaway with 5:18 left, but Niemi stopped his backhand bid.
About 30 seconds San Jose center Joe Thornton roofed a shot from the right circle to make it a 4-2 San Jose lead.
Ryane Clowe scored an empty net goal with1:04 left to make it a 5-2 game.
Injured: Dvorak (ankle)
Scratched: Petersen, R. Smith, Wandell, Pardy