ROME -- After all the hype about Pep Guardiola returning to face his former club, Lionel Messi made sure it was no contest.Messi scored a hat trick to deal a humbling defeat to his former mentor on Wednesday, leading Barcelona to an emphatic 4-0 victory over Manchester City in the Champions League.Messi sped through Citys defense and around former Barcelona goalkeeper Claudio Bravo before giving the hosts the 17th-minute lead in a Group C match that both teams finished with 10 men.It only got worse for Bravo, who was sent off in the second half for using his hands to block a shot outside the area after his poor pass gifted the ball to Luis Suarez.Messi struck again in the 61st and 69th to take his total to 89 goals in Europes top club competition. The Argentina forward is second only to Cristiano Ronaldos 98.Barcelonas substitute defender Jeremy Mathieu was sent off in the 73rd minute for a second yellow card.Neymar rounded off the win from a pass by Messi, moments after the Brazil striker had missed a penalty that Messi had earned.Guardiola lost for the second time upon returning to Camp Nou where he established himself as one of the worlds top managers by leading Barcelona to 14 titles from 2008-12. The former Barcelona midfielder coached Bayern Munich when the German side lost 3-0 at the Catalan side in the Champions League semifinals two years ago, when Messi scored twice.Barcelona leads Group C with a perfect nine points, City has four and Borussia Moenchengladbach three after its 2-0 win at last-place Celtic, which has one point.Heres a look at what else happened in the Champions League on Wednesday:---GROUP AMesut Ozil fired a second-half hat trick as Arsenal took a big step toward the knockout stage with a 6-0 rout of Bulgarian champion Ludogorets.The north London side, which is now unbeaten since the opening game of the season two months ago, tops the group with seven points.Alexis Sanchez, Theo Walcott and Alex Oxlade-Chamberlain had put Arsenal up 3-0 before Ozil took over.Paris Saint-Germain also has seven points after its 3-0 home win over Basel, which is level on one point with Ludogorets.Angel Di Maria ended his goal drought at just the right moment and striker Edinson Cavani continued his scoring streak as PSG overcame a poor start at the Parc des Princes.Having gone 17 games without a goal for club and country, Di Maria pounced five minutes before halftime and Brazilian winger Lucas slotted in his seventh goal of the season in the 62nd before Cavani added a late penalty.---GROUP BVincent Aboubakar scored twice as Besiktas beat Napoli 3-2 to deny the Italian club a chance of advancing from the group stage in record time.Aboubakar, a Cameroon international on loan from Porto, scored the winner four minutes from time after having also restored Besiktas lead late in the first half.It was the Turkish sides first win in the competition since 2009.If Napoli had won, it could have become the first team in Champions League history to advance from its group after just three matches.Now, Napoli has just a one-point lead over Besiktas, with Benfica two points back after its 2-0 win at Dynamo Kiev.After Adrianos opener for Besiktas, Dries Mertens and Manolo Gabbiadini scored temporary equalizers for Napoli.In Kiev, Eduardo Salvio converted a penalty and Franco Servi also scored in Benficas first win of the campaign.---GROUP CIn Glasgow, Borussia Moenchengladbach capitalized on two defensive errors by Kolo Toure to beat Celtic 2-0, earning the German team its first points.Toures first error came when he tried to shepherd the ball over the byline for a goal kick in the 57th. Andre Hahn wrapped his foot around the defender and hooked the ball back into the area, where Lars Stindl drove a shot through goalkeeper Craig Gordons legs from an acute angle.Hahn doubled the lead in the 77th after Toures pass near the halfway line was intercepted. Hahn sprinted through the middle and toe-poked a finish high into the net from just inside the area, just as Toure got back to attempt a lunging tackle.---GROUP DBayern Munich dispelled any doubts about its commitment by ending a three-match winless run with a comfortable 4-1 victory over PSV Eindhoven.Thomas Mueller opened the scoring in the 13th, Joshua Kimmich doubled the lead in the 21st, before Luciano Narsingh pulled one back for the visitors.Robert Lewandowski scored in the 59th, just as PSV seemed to be making a comeback and Arjen Robben provided the insurance in the 84th.Bayern has six points, three behind group leader Atletico Madrid, which won 1-0 in Rostov. 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Cheap Jerseys USA . -- Charline Labonte couldnt have asked for a better homecoming.Jose Mourinho described Manchester United as the unluckiest team in the Premier League after their 1-1 draw with Arsenal, but do the stats back him up? Juan Matas second-half goal appeared to be sending United to a well-deserved victory at Old Trafford on Saturday, only for Olivier Giroud to pull Arsenal level with their only shot on target.It was a bitter blow for United, who dominated the game for long periods, and it prompted Mourinho to rue his sides misfortune. I am really happy with the team, but at the moment I consider us the unluckiest team in the Premier League because it is the reality, he told Sky Sports. If you analyse the last three matches. Against Stoke we have to win 5-0 or 6-0 and we draw. Against Burnley we have to win 5-0 or 6-0 and we draw and today we have to win 2-0 or 3-0 and we draw.So does Mourinho have a point? Or is he making excuses? From key decisions to hitting the woodwork, we examine the evidence…Refereeing decisionsMourinho rarely bites his tongue when it comes to decisions going against his side and this season there have been a number of flashpoints. The United boss was angered by two decisions during the Manchester derby defeat to City back in September. Claudio Bravo challenges Wayne Rooney during the Manchester derby First, there was Claudio Bravos lunge on Wayne Rooney, then an Antonio Valencia cross struck Nicolas Otamendi on the elbow. Mourinho criticised Mark Clattenburg for failing to award penalties in both cases. Former referee Dermot Gallagher agreed with Mourinho about the Bravo incident in his weekly column for Sky Sports, but he felt Clattenburg was right to overlook the Otamendi incident.In Uniteds following game against Watford, they conceded the opening goal after Anthony Martial was robustly dispossessed by Miguel Britos. Mourinho described the decision to let play continue as ridiculous, while Sky Sports pundit Gary Neville said the Watford defender had kicked through his left leg to get the ball. PL contenders highs and lows We examine each of the title contenders highs and lows so far this season. Clattenburg enraged Mourinho again when he didnt award United a penalty after Matteo Darmian went down following a clash with Jon Flanagan in their 0-0 draw with Burnley last month. Mourinho was handed a one-game ban for his furious reaction, but replays showed the contact was minimal. Nacho Monreal tangled with Antonio Valencia in Saturdays game There was another penalty incident against Arsenal, with Valencia going to ground after Nacho Monreal raised an arm across his body. Mourinho chose not to criticise Andre Marriner over the incident, but it was a decision which could have gone either way. Man Utd 1-1 Arsenal While Manchester City, Tottenham, Arsenal and Liverpool have all been awarded at least four penalties this season, United have only had one. But while there have been a number of decisions to irk Mourinho, they have not all been quite as clear-cut as he might tell you. And on the other hand, they have only had one penalty awarded against them. Penalties won and conceded - Premier League 2016/17 Team Penalties won Team Penalties conceded Manchester City 5 Hull 6 Arsenal 4 Southampton 4 Liverpool 4 West Ham 4 Tottenham 4 Arsenal 3 Crystal Palace 3 Bournemouth 3 Leicester 3 Everton 3 Sunderland 3 Swansea 3 - - - - Manchester Utd 1 Manchester Utd 1 Injury count?One area in which United have undoubtedly been unfortunate is injuries. Defensive issues forced Mourinho to field a makeshift back four against Arsenal on Saturday, and it was not the first time this season that his options have been depleted. Manchester United have lost Eric Bailly to injury this season In fact, according to PhysioRoom.ddddddddddddcom, United have racked up the second-highest total of injuries this season with 27. Only relegation battlers Sunderland have suffered more (30). Most injuries - Premier League 2016/17 Team Injuries Sunderland 30 Manchester United 27 Liverpool 24 Tottenham 22 Leicester 21 Manchester City 20 Arsenal 19 Crystal Palace 19 Southampton 19 Watford 19 West Ham 19 Goalkeeping heroics?Manchester Uniteds shot conversion rate of 11.6 per cent is the fifth-lowest in the Premier League. Its partly down to wasteful finishing, but they have also had the misfortune of facing goalkeepers in the form of their lives. Tom Heaton pulled off a string of impressive saves against Manchester United Stoke shot-stopper Lee Grant rescued the Potters with eight saves in their 1-1 draw at Old Trafford, while Tom Heatons performance in the 0-0 draw with Burnley was even better. The 30-year-old made 11 saves in total, including one described as one of the best in Premier League history by Peter Schmeichel. Bad luck or bad finishing? Manchester United have had 74 shots to their opponents 19 in the last three Premier League games at Old Trafford, yet the aggregate score is 2-2. In total, opposition goalkeepers have made 49 saves against Manchester United this season, a far higher total than the Premier League average of 34. Its not just a question of bad luck, but its certainly been a factor.Hitting the woodworkFootball is a game of fine margins and there are few things more frustrating than seeing your sides shots come back off the woodwork. United have rattled the frame of the goal five times in total - including twice each in their draws with Stoke and Burnley.You could call it bad luck, but its nothing compared to Bournemouth, who have been denied by the woodwork 13 times in total. In fact, six Premier League sides have hit the woodwork more times than United. Most times hit woodwork - Premier League 2016/17 Team Hit woodwork Bournemouth 13 Arsenal 7 Manchester City 7 Tottenham 7 Liverpool 6 Stoke 6 Manchester United 5 Southampton 5 Late goals?Girouds equaliser on Saturday was the fourth time United have conceded in the 80th minute or later this season, putting them comfortably above the Premier League average of 2.5 late goals per side.It happened twice in Uniteds 3-1 defeat to Watford back in September and it also happened with Joe Allens late leveller for Stoke last month. Add Girouds equaliser and United would be five points better off had they managed to hold on in those games. But while Mourinho might call it bad luck, it also raises questions over complacency. Olivier Girouds equaliser was the fourth late goal Manchester United have conceded in the Premier League this season So while the evidence suggests United have indeed had their share of bad luck, particularly with injuries and goalkeeping heroics, there are clearly numerous other factors at play.Mourinho will be hoping things fall into place in the weeks ahead, but United are not the only side to have been hit by misfortune, and their prospects of turning things around are dependent on more than just a change of luck.Upgrade to Sky Sports now and get 12 months half price. Hurry, offer ends December 4th! Also See: PL contenders highs and lows Jose: Utds unluckiest team Wholesale Jerseys Wholesale Jerseys cheap jerseys Cheap Jersyes Cheap Basketball Jerseys Cheap NHL Jerseys cheap jerseys Cheap Jerseys Cheap Jerseys Cheap Jerseys From China Cheap NFL Jerseys ' ' '