Matthew Tkachuk, Sean Monahan and Mikael Backlund scored power-play goals and the Calgary Flames beat the Dallas Stars 5-1 on Sunday night.

Tkachuk’s 14th goal of the season broke a 1-1 tie in the second period. Monahan also scored in the second. Backlund’s goal in the third period preceded a short-handed, empty-net goal by Derek Ryan.

More Images
Dallas Stars goaltender Ben Bishop (30) stops a shot attempt during the second period of an NHL hockey game against the Calgary Flames, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Matthew Tkachuk, Sean Monahan and Mikael Backlund scored power-play goals and the Calgary Flames beat the Dallas Stars 5-1 on Sunday night.

Calgary Flames defenseman Travis Hamonic (24) skates with the puck as Dallas Stars center Joe Pavelski (16) pursues during the first period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Flames goalie David Rittich made 26 saves and picked up his first career assist on Backlund’s goal.

Dallas Stars right wing Denis Gurianov (34) watches as his shot goes into the goal past Calgary Flames goaltender David Rittich (33) during the first period of an NHL hockey game against the Calgary Flames, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Stars goalie Ben Bishop had 25 saves.

Calgary Flames center Sean Monahan (23) skates with the puck behind the net as Dallas Stars left wing Jamie Benn (14) defends during the first period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Mangiapane took a pass in the slot from Lindholm from behind the net and scored on a shot past Bishop at 12:11 of the first period. Gurianov beat Flames defenseman Noah Hanifin and skated in on Rittich for a wrist shot into the upper right corner of the net.

Dallas Stars defenseman Miro Heiskanen (4) and Calgary Flames left wing Matthew Tkachuk (19) are separated by an official during the second period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Travis Hamonic had the Flames’ first shot 8:02 in, a wrist shot stopped by Bishop. That began a stretch of 10 straight shots, including the goals by Tkachuk from the top of the right circle at 12:28 and Monahan, on a play similar to Mangiapane’s goal, at 14:21. Each team finished the period with 11 shots.

Calgary Flames center Sean Monahan (23) smiles after left wing Matthew Tkachuk (19) scores a goal during the second period of an NHL hockey game against the Dallas Stars, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Flames: Play a back-to-back on Monday at Minnesota, in the second of three straight on the road.

The three power-play goals were the most for Calgary in a game this season, and the most allowed by Dallas.

Dallas Stars goaltender Ben Bishop (30) stops a shot attempt during the second period of an NHL hockey game against the Calgary Flames, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Dallas Stars goaltender Ben Bishop (30) stops a shot attempt during the second period of an NHL hockey game against the Calgary Flames, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Flames goalie David Rittich made 26 saves and picked up his first career assist on Backlund’s goal.

Andrew Mangiapane scored Calgary’s first goal in the opening period. Denis Gurianov countered 38 seconds later for Dallas.

Elias Lindholm assisted on Calgary’s first three goals.

Calgary Flames defenseman Travis Hamonic (24) skates with the puck as Dallas Stars center Joe Pavelski (16) pursues during the first period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Calgary Flames defenseman Travis Hamonic (24) skates with the puck as Dallas Stars center Joe Pavelski (16) pursues during the first period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Stars goalie Ben Bishop had 25 saves.

The Flames had been 0-2-1 in their previous three games. Dallas has lost three of four.

Dallas didn’t have a shot on goal until 7:43 into the game, when Miro Heiskanen sent a slap shot at Rittich.

Dallas Stars right wing Denis Gurianov (34) watches as his shot goes into the goal past Calgary Flames goaltender David Rittich (33) during the first period of an NHL hockey game against the Calgary Flames, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Dallas Stars right wing Denis Gurianov (34) watches as his shot goes into the goal past Calgary Flames goaltender David Rittich (33) during the first period of an NHL hockey game against the Calgary Flames, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Mangiapane took a pass in the slot from Lindholm from behind the net and scored on a shot past Bishop at 12:11 of the first period. Gurianov beat Flames defenseman Noah Hanifin and skated in on Rittich for a wrist shot into the upper right corner of the net.

Calgary outshot the Stars 9-7 in the first.

Dallas had the first shots on goal in the second period, including three in a span of nine seconds in the first minute.

Calgary Flames center Sean Monahan (23) skates with the puck behind the net as Dallas Stars left wing Jamie Benn (14) defends during the first period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Calgary Flames center Sean Monahan (23) skates with the puck behind the net as Dallas Stars left wing Jamie Benn (14) defends during the first period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Travis Hamonic had the Flames’ first shot 8:02 in, a wrist shot stopped by Bishop. That began a stretch of 10 straight shots, including the goals by Tkachuk from the top of the right circle at 12:28 and Monahan, on a play similar to Mangiapane’s goal, at 14:21. Each team finished the period with 11 shots.

NOTES: Calgary C Elias Lindholm had three assists in a game three times last season, most recently on March 12 against New Jersey. … With a goal and two assists, LW Matthew Tkachuk broke a tie with Johnny Gaudreau for the Flames’ scoring lead with 32 points (14 goals, 18 assists). … Stars C Mattias Janmark didn’t play after the first period because of a lower-body injury. … Dallas C Tyler Seguin entered with a three-game goal streak, with four goals and one assist. … On Sunday, the Stars, Dallas Cowboys and Dallas Mavericks all lost.

UP NEXT

Dallas Stars defenseman Miro Heiskanen (4) and Calgary Flames left wing Matthew Tkachuk (19) are separated by an official during the second period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Dallas Stars defenseman Miro Heiskanen (4) and Calgary Flames left wing Matthew Tkachuk (19) are separated by an official during the second period of an NHL hockey game, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Flames: Play a back-to-back on Monday at Minnesota, in the second of three straight on the road.

Stars: Complete a two-game homestand on Saturday against Colorado.

More AP NHL: https://apnews.com/NHL and https://twitter.com/AP_Sports

Calgary Flames center Sean Monahan (23) smiles after left wing Matthew Tkachuk (19) scores a goal during the second period of an NHL hockey game against the Dallas Stars, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)

Calgary Flames center Sean Monahan (23) smiles after left wing Matthew Tkachuk (19) scores a goal during the second period of an NHL hockey game against the Dallas Stars, Sunday, Dec. 22, 2019, in Dallas. (AP PhotoSam Hodde)