DOB: 24 February 1970
From: Ireland, Selection 97, 1988 National Draft
The 18-year-old was drafted to Melbourne at the same time as Brian Stynes but saw his development hampered when he suffered a broken arm early in 1989.
Ineligible for the Under 19's competition in 1990, Melbourne delisted him.
Grehan was assigned number 35 and Number 59 in 1989.
The Age - 10/11/1988
"Rush for Irish in fears over immigration clamp" - The Age 03/11/1989