|Born||circa-1989 (age 27–28)|
|Position||Centre, Second-row, Loose forward|
As of 1 May 2012
James "Jimmy" Grehan is an Australian professional rugby league footballer, playing at club level for St. George Illawarra Dragons (junior), Parramatta Eels (squad), Western Suburbs Magpies (Reserve grade), Limoux Grizzlies, Castleford Tigers, and currently for Batley Bulldogs (Loan), as a Centre, Second-row, or Loose forward/Lock.
- "Tigers add depth to squad with Grehan". castigers.com. 2011-12-31. Retrieved 2012-01-01.
- Statistics at rugbyleagueproject.org
- Search for "James Grehan" AND "Rugby League" at BBC → Sport
- Profile at castigers.com
- Grehan set for Cas bow
- Tigers add Grehan
- Tigers snare Australian centre James Grehan
- Tigers add depth to squad with Grehan
- Video – Chubbs' Catch Cup – Jimmy Grehan
- Statistics at thecastlefordtigers.co.uk