I can help you out a bit, although some of these players are probably no longer with the club, as I got this off their site earlier in the season
Francis Cummins - wing - 6ft1/90kg/born 1976
Chris McKenna - c/br/6ft3/99kg/1974
Keith Senior - c/6ft3/100kg/1976
Chev Walker - w/6ft3/103kg/1982
Danny McGuire - 5/8/ 5ft10/82kg/1982
Rob Burrow - 1/2back/5ft5/65kg/1982
Ryan Bailey - prop/6ft3/105kg/1983
Matt Diskin - hooker/5ft11/95kg/1982
Barrie McDermott - prop/5ft10/110kg/1972
David Furner - br/5ft11/97kg/1971 - retired
Matt Adamson - br/6ft3/108kg/1972 - Canberra
Kevin Sinfield - lock,5/8/ 6ft/93kg/1980
Andrew Dunnemann - 1/2,5/8/ 5ft10/84kg/1976
Chris Feather - prop/6ft5/111kg/1981
Willie Poching - br/6ft/99kg/1973
Wayne McDonald - prop/6ft7/120kg/1975
Mark Calderwood - wing/6ft1/86kg(on site they had 186kg)/1981
Danny Ward - prop/5ft10/105kg/1980
Jamie Jones Buchanan - br/6ft/97kg/1981
Richard Mathers - fb/5ft11/83kg/1983
Marcus Bai - w/5ft10/95kg/1972
Dwayne Bawker - br/6ft2/95kg/1983
Nick Scruton - prop/6ft/101kg/1984
Jason Netherton - br/6ft2/100kg/1982
Tommy Gallagher - prop/5ft11/94kg/1983
Matt Gardner - centre/6ft2/100kg/1985
Liam Botham - br/6ft/95kg/1977 - went to London on loan last season I believe
Ali Lauitiiti - br/6ft2/17stone/1979
Thought that may help a bit with whatever it is you are looking for, as I said that came from their site earlier in the season so I am not sure how many of them are still there