It’s certainly been a long and winding road for D.C. United’s recent addition Thabiso Khumalo. The South African forward was drafted in the 2005 MLS SuperDraft by Chicago – but never saw the field. The man they call “Boyzzz” has subsequently been on a three year odyssey through a veritable tour of second and third division American soccer – stops in Charleston, Wilmington, and Pittsburgh have resulted in varying levels of success: twenty games per…