
AS Roma's Radja Nainggolan (R) challenges Barcelona's Ivan Rakitic during their Champions League Group E stage match at the Olympic stadium in Rome, Italy, Sept. 16, 2015. The match tied 1-1. (Xinhua/Alberto Lingria)

AS Roma's Radja Nainggolan (R) challenges Barcelona's Ivan Rakitic during their Champions League Group E stage match at the Olympic stadium in Rome, Italy, Sept. 16, 2015. The match tied 1-1. (Xinhua/Alberto Lingria)