Once unbeatable Barcelona is wondering where it all went wrong. The Spanish giant was ousted by rival Atletico Madrid in the quarterfinals of the Champions League on Wednesday after its third loss in four games - a 2-0 defeat at the Vicente Calderon Stadium that erased its 2-1 first-leg win at the Camp Nou. The result ended Barcelona's chances of repeating the treble of Champions League, Copa del Rey and Spanish league titles - its biggest goal entering the season. More...