Date of Birth: 
About Zac O'Brien
- Zachary "Zac" O'Brien (born 27 October 1990) is a former professional Australian rules footballer who played for the Brisbane Lions in Australian Football League (AFL).
- O'Brien was drafted by the Lions with the 23rd selection in 2014 rookie draft.
- He was promoted to the senior list during the week before their round 11, 2014 clash against the Carlton Football Club.
- He was delisted in October 2015.In 2016, O'Brien joined West Adelaide in the SANFL.
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