All-Time Records

Australian-born, played his entire senior career in England: 740 tries for Warrington, 17 for Blackpool, 39 in representative matches, across an 18-season career, 1945–1964. Guinness World Records' standing all-time, all-competition mark. Source: Guinness World Records — Most tries in a career (rugby league)

Great Britain, 10 April 1956 – 19 August 1979: 4,488 points for Wakefield Trinity, 1,089 for five other clubs, plus 496 in representative matches (2,575 goals including 4 drop goals, 358 tries). Guinness World Records' standing all-time, all-competition mark. Source: Guinness World Records — Points career, individual (rugby league)

Great Britain/Wigan, 1921–1946 — 928 first-class games across his whole career. Sullivan separately holds the record for most appearances for one club (774, all for Wigan). Source: Guinness World Records — Most appearances for the same rugby league club

Australia, 1998–2011. Guinness World Records' standing mark for international rugby league appearances. Source: Guinness World Records — Most international appearances in rugby league

Great Britain, 1954–1963. Guinness World Records' standing mark for international rugby league tries. Source: Guinness World Records — Most tries in a rugby league international career

Stadium Australia, Sydney, 26 September 1999. Guinness World Records' standing mark for any rugby league match, any competition. Source: Guinness World Records — Largest attendance at a rugby league match

Huddersfield Giants v Doncaster Dragons, Buddies National League Cup semi-final, 19 May 2002 — 3 tries from kickoff in 6 minutes 54 seconds. Source: Guinness World Records — Fastest rugby league hat-trick

Rochdale, playing for Ireland v Moldova, 16 October 1995 — scored a hat-trick on debut in a 48-26 win. Guinness World Records itself flags this record as complicated by a later league-vs-union eligibility dispute. Source: Guinness World Records — Youngest international rugby league player

Australia, playing for State Rail Apprentice RLFC in the NSW Tertiary Student competition, 26 August 2006 — an amateur/social competition context, not top-flight. Source: Guinness World Records — Oldest rugby league player (male)