After the Cowboys' 39–0 win over the Cronulla-Sutherland Sharks in Week 2 of the 2015 NRL finals series, a Courier Mail article listed Cooper as the most underrated player in the competition.
ˈæftɚ ðə kˈaʊbɔɪz θˈɜːɾi nˈaɪn zˈiəɹoʊ wˈɪn ˌoʊvɚ ðə kɹˈɑːnʌləsˈʌðɜːlənd ʃˈɑːɹks ɪn wˈiːk tˈuː ʌvðə tˈuː θˈaʊzənd fˈɪftiːn ˌɛnˌɑːɹɹˈɛl fˈaɪnəlz sˈɪɹiz, ɐ kˈɜːɹiɚ mˈeɪl ˈɑːɹɾɪkəl lˈɪstᵻd kˈuːpɚɹ æz ðə mˈoʊst ˌʌndɚɹˈeɪɾᵻd plˈeɪɚɹ ɪnðə kˌɑːmpətˈɪʃən.