In a mouth watering UEFA Champions League quarter final encounter on Wednesday, AC Milan hosted Barcelona for the first leg. The two sides have met twice in the group stage this season, with the Spanish champions beating Milan 3-2 at San Siro after being held to a 2-2 draw at home. Barca is in red hot form with Lionel Messi having an extraordinary run of 21 goals in his last nine outings for club and country. Barcelona forward Lionel Messi, of Argentina, center challenges for the ball with AC Milan midfielder Djamel Mesbah, of Algeria, right, and AC Milan defender Daniele Bonera during a Champions League first leg quarterfinals soccer match, between ACMilan and Barcelona, at the San Siro stadium, in Milan, Italy, Wednesday, March, 28,2012. (AP Photo/Luca Bruno) The home comes close early. After a string of blunders from Barcelona, Zlatan Ibrahimovic sets up Robinho for a close-range volley, but it's wide. It's still 0-0.The Spaniards then with a free-kick opportunity - Xavi Hernandez and Alexis Sanchez slice the Milan defence apart but it ends in vain. Sanchez appears to be tripped by Christian Abbiati. But the referee turns down the request for a penalty.Barcelona then steps up a gear. In the 17th minute, Messi on target to push the title holders ahead but he's ruled offside. Ibrahimovic with a wasted chance for AC Milan keeps it 0-0 at halftime.Barcelona pushes hard for an opener in the second half with Messi the biggest threat. But the World Player of the Year fails to snatch a late win when he's blocked at close-range by Abbiati. Barcelona frustrated with the nil all draw, setting up an intriguing second leg at the Nou Camp next Tuesday.伊布错失单刀疑似点球未判 米兰0-0巴萨欧洲冠军联赛1/4决赛首回合一场焦点战打响，AC米兰坐镇圣西罗主场迎战巴塞罗那队。双方0-0战成平局，罗比尼奥、伊布先后错失单刀球，第16分钟桑切斯单刀被门将扑倒的疑似点球也没有吹罚。