TAMPA -- The Colorado Avalanche ended a four-game winless streak, getting a goal and an assist each from left wing Alex Tanguay and center Nathan MacKinnon on the way to a 2-1 victory over the Tampa Bay Lightning on Thursday night at Amalie Arena.

Colorado (3-5-1) got a strong night from goalie Semyon Varlamov, who made 34 saves, allowing only a power-play goal in the second period. The Lightning (5-4-2) outshot the Avalanche 35-26 but saw their offensive woes continue with just one goal in their last three games.

Colorado had just one point in its previous four games before scoring the road win against the Lightning, who dropped to 2-2 at home.

Varlamov stepped up with key stops as the Lightning got a late power play with 6:42 left in the final period after center Matt Duchene accidentally flipped the puck over the wall, but Colorado killed the penalty to preserve the lead.

Tampa Bay pulled goalie Ben Bishop with1:39 left for the man advantage but managed only one shot the rest of the way.

The Lightning ended a two-game scoring drought with a second-period goal from center Alex Killorn, but still found themselves trailing the Avalanche 2-1 entering the final period.

Colorado opened the scoring late in the first period on a goal that wasn't initially ruled a score -- replay showed that Tanguay got his first goal of the season when a loose puck drifted between Bishop's legs and across the line for a 1-0 lead with 4:03 left. Right winger Jarome Iginla and MacKinnon had assists on the goal, and the line would strike again in the second period.

The Avalanche extended that lead on another rebound -- Iginla found a rebound behind the net and fired the puck behind Bishop, with MacKinnon tapping in the loose puck for a 2-0 lead with 6:56 left in the second on his fourth goal of the season. Tanguay's shot had set up the rebound, giving him his fourth assist to go with Iginla's assist.

Tampa Bay got back in the game by converting on its third power play of the game -- with 4:14 left in the second period, center Alex Killorn got his second goal of the season, scoring on a rebound off a shot by defenseman Victor Hedman, who got his 10th assist of the season. The Lightning hadn't scored in their previous seven periods, including shutout losses to the Chicago Blackhawks (in overtime) and the St. Louis Blues.

NOTES: The Lightning played without promising young LW Jonathan Drouin, missing a game for the first time this season with a lower-body injury that leaves him day-to-day. Drouin ranks second on the team with five assists in 10 games. Tampa Bay called up C Jonathan Marchessault from AHL Syracuse before the game in response to the Drouin injury. ... Lightning C Cedric Paquette missed a second consecutive game with a lower-body injury, and D Nikita Nesterov was a healthy scratch. C Brian Boyle returned to the ice after missing three games with an undisclosed injury. ... Avalanche D Brad Stuart didn't dress due to a back injury, while D Brandon Gormley was a healthy scratch. ... The Avalanche have a road back-to-back, with a visit to Carolina coming on Friday. ... The Lightning play host to the Boston Bruins on Saturday.