Columbus Crew SC is head coached by which retired soccer player?
Columbus Crew SC:  The club's head coach is Gregg Berhalter, a former player of the United States men's national soccer team. Gregg Berhalter: Gregg Berhalter ( ; born August 1, 1973) is a retired American soccer player and current head coach of Columbus Crew SC in Major League Soccer.
Gregg Berhalter