Racing PositionsU.S. teen Clark joins RB Leipzig from Red Bulls2YSamuel MarsdenClark stays hot as New York Red Bulls beat Chicago Fire2YReutersWhich MLS youngsters are ready for Europe?2YESPNChicharito, the Crew, and Austin FC's debut: MLS storylines to watch for2YESPNClark makes MLS history in NYRB draw with TFC2YReutersClark scores in debut as NYRB blank Atlanta United2YReuters