LYON, France, June 18 (Reuters) - United States Coach Bruce Arena says his team have nothing to prove when their Confederations Cup campaign begins on Thursday.The U.S. team, who face Turkey in Group B at St Etienne, are
back in the spotlight after their memorable 3-2 win over
Portugal on their way to last year's World Cup quarter-finals.'We don't have to defend anything we've done,' Arena told
reporters on Wednesday. 'We believe when we step on the field
we're capable of beating any team in the ...