MANCHESTER, England - Arsenal and Tottenham slumped to 2-1 losses in the Premier League as their weaknesses were ruthlessly exposed on Sunday, while Newcastles resurgence continued with a fourth straight win.After squandering a three-goal cushion midweek in the Champions League, Arsenal again failed to hold onto a lead by conceding twice in less than three minutes at Swansea to drop out of the top four.Its difficult to explain how we lost the lead. We were in control, said Arsenal manager Arsene Wenger, whose team is 12 points behind leader Chelsea and has yet to register a win against a side outside the bottom seven.Chile forward Alexis Sanchez scored for the fourth straight league game to give Arsenal a 63rd-minute lead, only for Gylfi Sigurdsson to equalize with a stunning free kick and Bafetimbi Gomis to grab the winner barely 90 seconds after coming on as a substitute.Spurs suffered another hangover after their Europa League commitments, losing at home to Stoke to fall to 12th in the standings and increase the scrutiny on new manager Mauricio Pochettino.We need to improve quickly because you never have a long time in football, Pochettino said. My challenge in the next few weeks is to change the mentality.That is something Alan Pardew has managed at Newcastle, which was without a win until Oct. 18 but has surged up to eighth in the table.Young Spanish striker Ayoze Perez scored for a third straight game to set Newcastle on its way to a 2-0 win at West Brom. Argentine defender Fabricio Coloccino headed in the second goal.Pardew thanked Newcastle owner Mike Ashley for keeping faith in the dark times, saying: Everyone was pulling at him when we werent winning and he stuck with me and was very supportive, especially after the Southampton game (a 4-0 defeat).You have to have that as a manager. It bought me just enough time.Everton drew 1-1 at Sunderland and is in 10th place, tied on 14 points with Merseyside rival Liverpool and Tottenham, to demonstrate the competitive nature of this seasons Premier League.Southampton, West Ham and Swansea are three of the top five after 11 rounds. Chelsea holds a four-point lead and is unbeaten.Arsenal has been robbed of key French defenders Laurent Koscielny and Mathieu Debuchy in recent weeks and its back four is looking brittle, with Nacho Monreal — a left back playing as centre back — outjumped by Gomis for the winner at Liberty Stadium.Little could be done about Sigurdssons strike, with the Iceland midfielder curling a shot home from 30 metres to maintain his brilliant form since returning to Swansea this season. He has two goals and seven assists, and is the main reason why Swansea is fifth in the league.Sanchez is Arsenals driving force this season and he swept home a cross from Danny Welbeck following a rapid counterattack for a sixth goal in his last four games in all competitions.We have potential, Arsenal defender Per Mertesacker said, but unless we play that serious football, any team will punish us.Arsenal was 3-0 ahead after 58 minutes against Anderlecht in the Champions League on Tuesday, but drew 3-3.Spurs appear to be going backward under Pochettino, whose team is lacking shape, direction, defensive co-ordination and the ability to back up Europa League games on a Thursday with Premier League games on a Sunday.Tottenham has now lost four home games this campaign — all of them coming immediately after the Europa League.Stokes goals came from Bojan Krkic and Jon Walters in the first half. Nacer Chadli reduced the deficit in the 77th minute before Spurs full back Kyle Naughton was shown a straight red card for a bad tackle on Victor Moses.Stoke climbed above Tottenham and into ninth place of the standings.At the Stadium of Light, Leighton Baines penalty for Everton cancelled out an opener by Sebastian Larsson for Sunderland.Everton midfielder Gareth Barry was carried off on a stretcher in the 13th minute and taken to hospital with a leg injury. Calgary Flames Jerseys . According to the Red Wings Twitter feed, Zetterberg plans to practice with the team on Thursday and is aiming for a second round comeback. Gary Roberts Jersey . Wayne and Cindy Tuck of Ilderton, Ont., closed out round-robin play earlier in the day with a 7-3 win over Finland but needed a win over Austria to reach the final eight. http://www.flamessale.com/authentic-lanny-mcdonald-flames-jersey/ . The flanker began his comeback from a right shoulder injury by coming off the bench on Saturday when Wales opened with a victory over Italy. Warburton replaces Justin Tipuric, one of three changes announced on Tuesday by coach Warren Gatland. Doug Gilmour Jersey . Sources tell TSN Hockey Insider Pierre LeBrun the international tournament will likely return in September 2016 rather than 2015. Mike Vernon Jersey . That further limits the options of Australia coach Ewen McKenzie, who on Monday suspended six players who were involved in a night out in Dublin ahead of the Saturdays 32-15 win over the Irish. The Wallabies play Scotland on Saturday before facing Wales on Nov.SEATTLE -- Shea Theodore and Roberts Lipsbergs scored in a shootout to lift the Seattle Thunderbirds over the Vancouver Giants 4-3 in Western Hockey League action on Sunday. Theodore had a goal and an assist in regulation, and Jerrett Smith and Alexander Delnov also scored for Seattle (40-22-6). Cain Franson had a goal and an asssist, and Arvin Atwal and Mason Geertsen scored power-play goals for Vancouver (31-27-11), who tied the game after being down 3-1 despite being outshot 47-35.dddddddddddd Thunderbirds goalie Danny Mumaugh made 32 saves through overtime and four more in the shootout. Payton Lee made 46 total saves for the Giants. 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