CAMBRIDGE, MA - JULY 27: Radja Nainggolan of AS Roma looks on during a friendly match against the Boston Bolts at Ohiri Field on July 27, 2016 in Cambridge, Massachusetts. (Photo by Mike Lawrie/Getty Images)
CAMBRIDGE, MA - JULY 27: Radja Nainggolan of AS Roma looks on during a friendly match against the Boston Bolts at Ohiri Field on July 27, 2016 in Cambridge, Massachusetts. (Photo by Mike Lawrie/Getty Images)