Barcelona lost the champions league finale twice.
Manchester United have lost the UEFA Champions League final twice. They lost to FC Barcelona in 2009 and 2011.
Juventus lost to Real Madrid in the 1998 Champions League final.
Arsenal lost the 2006 Champions League final to FC Barcelona. They lost the final 2-0.
Manchester United have only ever lost one Champions League final, against Barcelona in 2009.
It was Avram grant.
John Carew
Champions League: once, in 2006. UEFA Cup: once, in 2000. Cup Winners' Cup: twice, in 1980 and 1995.
Juventus Turin lost to Real Madrid despite of being a favorite.
Rangers
John Carew
Three times in the Champions League era: 1993 (to Marseille), 1995 (to Ajax) and 2005 (to Liverpool). They also lost the 1958 European Cup final to Real Madrid.
He played for Arsenal against Barcelona in the 2006 Champions League final, he scored the first goal, but Arsenal eventually lost out 2-1.