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Roma's Belgian midfielder Radja Nainggolan reacts during the Italian Serie A football match AS Roma vs Juventus at the Olympic stadium on May 13, 2018 in Rome. (Photo by Tiziana FABI / AFP) (Photo credit should read TIZIANA FABI/AFP/Getty Images)

Roma's Belgian midfielder Radja Nainggolan reacts during the Italian Serie A football match AS Roma vs Juventus at the Olympic stadium on May 13, 2018 in Rome. (Photo by Tiziana FABI / AFP)        (Photo credit should read TIZIANA FABI/AFP/Getty Images)

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BRUSSELS, BELGIUM - JUNE 05: Radja Nainggolan of Belgium looks on during the International Friendly match between Belgium and Czech Republic at Stade Roi Baudouis on June 5, 2017 in Brussels, Belgium. (Photo by Dean Mouhtaropoulos/Getty Images)

BRUSSELS, BELGIUM - JUNE 05:  Radja Nainggolan of Belgium looks on during the International Friendly match between Belgium and Czech Republic at Stade Roi Baudouis on June 5, 2017 in Brussels, Belgium.  (Photo by Dean Mouhtaropoulos/Getty Images)