Youngest first grade run-on debut:
 
Brett Seymour 17 years and 244 days v Wests Tigers at Campbelltown Stadium 31/5/02;
Justin Hodges 17 years and 349 days v Canberra at Bruce Stadium 8/5/00;
Darren Lockyer 18 years and 100 days v Sydney City Roosters at ANZ Stadium 2/7/95;
Michael Hancock 18 years and 133 days v Manly at Lang Park 6/3/88.
 
Youngest first grade sub debut:
 
Brett Seymour 17 years and 239 days v St George-Illawarra at Aussie Stadium 26/5/02;
Danny Bampton 18 years and 30 days v Gold Coast at Carrara 5/4/98;
Darren Lockyer 18 years and 93 days v Parramatta at Parramatta Stadium 25/6/95.