Marcel Schmelzer (German pronunciation: [ma?'s?l '?m?lts?]; born 22 January 1988) is a German footballer who plays for Borussia Dortmund as a left back, serving as captain from 2016 to 2018.
He has been capped by Germany at international level.
A one-club man, Schmelzer has spent his entire professional career at Dortmund.