 Kọ itẹsiwaju fun paragirafi yii - Cooper dagba lati mu rugby league pẹlu Shaun Kenny-Dowall ati paapaa sunmọ lati darapọ mọ NRLs Melbourne Storm ni ọdun 2008. Ni August 2010 a gbọ pe Cooper n ronu iyipada si rugby league ati ṣiṣere fun awọn Eels Parramatta ni akoko 2011 NRL. Ìyẹn ì bá mú kí Cooper fi ipò rẹ gẹgẹ bí ọmọ ẹgbẹ Wallabies rúbọ. Iye 850,000 ni wọn sọ, Parramatta si sọ pe wọn fun Cooper ni 1.5 million lori ọdun mẹta. A yanju ọrọ naa ni Oṣu Kẹsan nigbati Cooper fọwọsi adehun ọdun kan pẹlu Australian Rugby Union. Ó ní, bí ó tilẹ jẹ pé ó rí i pé àbá Parramatta dùn ún, ó ṣì rí ọjọ ọla rẹ nínú eré rugby union. Fun ọdun 2011 o fẹ lati tẹsiwaju pẹlu awọn Reds, o si nireti lati tẹsiwaju pẹlu awọn Wallabies ati ṣoju Australia ni 2011 Rugby World Cup : ó ṣe tán. 