Braden Holtby makes 31 saves, Capitals beat Sabres 2-0 for 8th straight win

Buffalo Sabres left winger Nicolas Deslauriers (44) eyes Washington Capitals center Michael Latta (46) during a fight in the second period of an NHL hockey game, Monday Dec. 28, 2015 in Buffalo, N.Y. (AP Photo/Gary Wiepert) (The Associated Press)

Buffalo Sabres left winger Evander Kane, left, has the puck deflect off his skate in front of Washington Capitals goaltender Braden Holtby, right, during the first period of an NHL hockey game, Monday Dec. 28, 2015 in Buffalo, N.Y. (AP Photo/Gary Wiepert) (The Associated Press)

Buffalo Sabres left winger Evander Kane (9) pauses during pregame drills before the start of an NHL hockey game against the Washington Capitals, Monday Dec. 28, 2015 in Buffalo, N.Y. Kane briefly spoke to reporters earlier today and stated he's done nothing wrong and is looking forward to clearing his name after being the subject of a sex offense investigation. (AP Photo/Gary Wiepert) (The Associated Press)

Braden Holtby made 31 saves and Alex Ovechkin scored to lead the Washington Capitals over the Buffalo Sabres 2-0 on Monday night for their eight straight win.

Ovechkin scored 19 seconds into the second period and Jay Beagle scored about 12 minutes later to help the Eastern Conference-leading Capitals improve to 27-6-2, the best start in franchise history.

Washington has earned a point in 15 of its last 16 games and trails the Dallas Stars by one point for the NHL lead.

Holtby got his 22nd career shutout and second this season. He leads the NHL with 23 victories and is 15-0-1 in his last 17 games.

Linus Ullmark made 24 saves for the Sabres.

Sabres forward Evander Kane played for the first time since The Buffalo News reported that Buffalo police were investigating a sex crime allegation against him.

Kane spoke to reporters at a morning skate Monday for about 30 seconds, saying he did nothing wrong and is looking forward to having his name cleared. He did not take questions.

Buffalo was shut out for the third time in five games and the fourth time this season.

The Sabres appeared to break the shutout early in the third period when Jamie McGinn sent a slap shot past Holtby. The goal lamp went off and the horn sounded, but the puck hit the outside of the net and did not go in.

Buffalo's Tyler Ennis crashed the net and pushed the puck past Holtby with 4:10 remaining, but the referee immediately waved off the goal. Sabres coach Dan Bylsma challenged the call, but replays determined that Ennis made incidental contact with Holtby while the puck was in the crease.

Buffalo could not convert on three power plays and is now 0 for 17 on power-play chances over its last five games.

The Capitals improved to 19-0-0 when leading after two periods.

After a scoreless first period, Ovechkin gave the Capitals a 1-0 lead with his team-leading 18th goal of the season.

Nicklas Backstrom notched his 22nd assist on the goal, digging the puck out of the corner and flipping a backhand between two Sabres defenders to a wide-open Ovechkin in front of the net.

Beagle scored off a rebound to make it 2-0 with 7:05 left in the second period. Ennis gave the puck away in the offensive zone, setting up Tom Wilson's slap shot from the point that sailed past the net and bounced back off the boards to Beagle in front.

The Capitals are 22-0-5 when Beagle scores a goal in his career.

Holtby made 10 saves in the scoreless first period and 12 more in the second. He made three saves after the Sabres pulled Ullmark, including a sliding glove save on a point-blank shot by Kane in the final minute.

NOTES: Washington scratched D John Carlson, ending his streak of 412 games played. Carlson's streak was the second-longest in team history, trailing Bob Caprenter (422) and just ahead of teammate Karl Azner (411). ... Carlson's replacement, Connor Carrick, played for the first time April 13, 2014. ... The Sabres scratched LW Marcus Foligno and D Carlo Colaiacovo. ... The Capitals last won eight in a row from April 4-16, 2013. ... The Sabres announced a sellout for the third time in 20 home games. ... The two teams meet again Wednesday night in Washington.

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AP Sports Writer John Wawrow contributed to this report.