ˌɔn twˈɛnti wˈʌn fˈɛbɹuːˌɛɹi tˈuː θˈaʊzənd sˈɪkstiːn, kˈuːpɚ wʌzɐ mˈɛmbɚɹ ʌvðə kˈaʊbɔɪz wˈɜːld klˈʌb tʃˈælɪndʒ wˈɪnɪŋ sˈaɪd, stˈɑːɹɾɪŋ æt sˈɛkənd ɹˈoʊ ɪnðə sˈaɪdz θˈɜːɾi ˈeɪt fˈoːɹ vˈɪktɚɹi ˌoʊvɚ ðə lˈiːdz ɹˈaɪnoʊz æt hˈɛdɪŋɡli stˈeɪdiəm.
On 21 February 2016, Cooper was a member of the Cowboys' World Club Challenge winning side, starting at second row in the side's 38–4 victory over the Leeds Rhinos at Headingley Stadium.