GettyTom HindleGio Reyna to miss 'weeks' after sustaining groin injury on USMNT dutyG. ReynaBorussia DortmundBundesligaUSAThe oft-injured midfielder is set to face another spell on the sidelines after playing a limited role in Dortmund's seasonArticle continues belowArticle continues belowArticle continues belowReyna will be out for "a few weeks"Returned from USMNT duty before pair of friendliesPlayed just 10 minutes for Dortmund this seasonArticle continues below