Dee ihe ga-aga n'ihu na paragraf a - N'afọ 2005 Jackman bịanyere aka n'akwụkwọ maka Leinster. Ụkwụ gbajiri egbochi ọrụ ya na Leinster mana o mechara guzobe onwe ya dịka onye otu egwuregwu mbụ. Ọ bụ onye ama ama n'otu egwuregwu nke meriri Celtic League 2007/08
aha na ọ na-enwetakwa onwe ya a na-akpọghachi n'ime agadi Ireland squad. Ọ lara ezumike nká ugbu a na egwuregwu ọkachamara mgbe mmerụ ahụ ụbụrụ merụrụ na 2010. Bernard Jackman abụrụla onye nnọchi anya Acquired Brain Injury Ireland, na-eguzo n'azụ mkpọsa mmata concussion 'Mind your Head in Sport'. John Fogarty onye ọzọ bụ onye Leinster Hooker lara ezumike nká na mmerụ ahụ yiri nke ahụ n'oge na-adịghị anya.