Rubuta ci gaba don wannan sakin layi - Rees ya yi tafiya tare da British da Irish Lions zuwa New Zealand a 1977
, lokacin da Wales ba ta buga shi ba, da Afirka ta Kudu a 1980 kuma a lokacin ya buga wasan rugby na kulob don Neath. Ya fara bugawa Lions wasan farko na kasa da kasa da New Zealand a Eden Park, Auckland a watan Agusta 1977 amma dole ne ya jira har zuwa watan Janairun 1979 don buga wasan farko na Wales, da Scotland a Murrayfield. Rees ya zira kwallaye a wasan farko na Wales, kuma ya yi wasan karshe da Faransa a Parc des Princes a watan Maris na shekarar 1983.