Kammala jumla mai zuwa: A kakar wasa ta biyu tare da kulob din, Parks ya fara sau da yawa a cikin gasar, wanda aka sake masa suna a matsayin Pro12. A cikin
2011<unk>12 Pro12 ya buga sau 13, amma takwas daga cikin waɗannan bayyanar sun zo ne a matsayin farawa. A gasar cin kofin Heineken ta 2011-12 duk da haka, Parks ya fara dukkan wasannin Cardiff bakwai yayin da suka cancanci zuwa wasan kusa da na karshe a matsayin mafi kyawun masu tsere a matakan rukuni kafin Leinster mai karewa ya fitar da su. A cikin wasanninsa 20 Parks ya ci maki 137, gami da zira kwallaye na farko a kungiyar a wasan gasar da Ulster. Parks ya bar Cardiff a karshen kakar.