The Jersey Flegg Cup competition was first run in 1961 and ended in 2007 when the National Youth Competition was introduced. The competition was re-introduced in 2018. These records (apart from Jersey Flegg Titles) are from that season onward.

Jersey Flegg Titles: 3 – 1995, 2002, 2004

Most Games for the Club
41 Tyrell Neiufi 2018-2019
32 Daniel Fifita 2018-2019
31 McKenzie Baker 2018-2020
29 Stanley Malae 2018-2019
29 Lupe Tivalu 2018-2019
28 Luca Moretti 2019-2021
27 Freddy Lussick 2018-2019
24 Bayleigh Bentley-Hape 2018-2021
21 Hugo Patterson 2019-2021
21 Adam Pompey 2018

Most Tries in a Match
3
Zac Montgomery v Canberra, North Sydney Oval – Rd 6, 2022. Sydney won 40-10.
3
Ethan King v Manly, Waverley Oval – Rd 13, 2021. Sydney won 54-10.
3
Vuate Kurawalevu v Cronulla, Waverley Oval – Rd 12, 2021. Sydney won 26-24.
3
Jack Mossman v St George Illawarra, Waverley Oval – Rd 7, 2021. Sydney won 42-18.
3
Freddy Lussick v St George Illawarra, Leichhardt Oval – Rd 18, 2019. Sydney won 24-6.
Adam Pompey v St George Illawarra, Panthers Stadium – Finals Week 1, 2018. Sydney won 40-28.
Fletcher Baker v Parramatta, Allianz Stadium – Rd 15, 2018. Sydney won 42-16.
Josh Curran v St George Illawarra, WIN Stadium – Rd 6, 2018. Sydney won 42-22.

Most Tries in a Season
13
Freddy Lussick in 19 games, 2019
12 McKenzie Baker in 19 games, 2019
11 
Treymain Spry in 17 games, 2018
10 Fletcher Baker in 10 games, 2018
9 Vuate Karawalevu in 5 games, 2021

Most Tries for the Club
15
Tyrell Neiufi in 41 games
14 McKenzie Baker in 31 games
14 Freddy Lussick in 27 games
11 
Treymain Spry in 17 games
10 Fletcher Baker in 17 games

Most Points in a Season
82
Corey Fenning in 10 games, 2021 (7T, 27G)
78 Sean O’Sullivan in 10 games, 2018 (2T, 35G)
70 Zane Harris in 18 games, 2019 (1T, 33G)
74 Adam Pompey in 21 games, 2018 (8T, 21G)
52 Freddy Lussick in 19 games, 2019 (13T)
52 Ethan O’Neill in 12 games, 2019 (3T, 20G)

Most Points in a Match
20 Adam Pompey (3T, 4G) v St George Illawarra, Panthers Stadium – Finals Week 1, 2018. Sydney won 40-28.
18 Corey Fenning (1T, 7G) v St George Illawarra, Waverley Oval – Rd 7, 2021. Sydney won 42-18.
14 Hugo Savala (7G) v South Sydney, Ironmark Performance Centre – Rd 3, 2022. Sydney won 42-18.
14 Sandon Smith (7G) v Manly, Waverley Oval – Rd 13, 2021. Sydney won 54-10.
14 Zane Harris (1T, 5G) v North Sydney, Henson Park – Rd 19, 2019. Sydney won 42-16.
14 Sean O’Sullivan (1T, 5G) v Warriors, Belmore Sports Ground – Rd 4, 2018. Sydney won 38-16.

Most Goals in a Match
7
Sandon Smith v Manly, Waverley Oval – Rd 13, 2021. Sydney won 54-10.
7
Corey Fenning v St George Illawarra, Waverley Oval – Rd 7, 2021. Sydney won 42-18.
7 Hugo Savala v South Sydney, Ironmark Performance Centre – Rd 3, 2022. Sydney won 42-18.
6 Ronald Volkman v Manly, Leichhardt Oval – Rd 2, 2022. Sydney won 40-24.
6
Zane Harris v North Sydney, North Sydney Oval – Rd 12, 2019. Sydney won 44-12.
6 Ethan O’Neill v Manly, Lottoland – Rd 2, 2019. Sydney won 40-18.
6
Sean O’Sullivan v Canterbury, Belmore Sports Ground – Rd 5, 2018. Sydney won 36-24.

Most Points for the Club
82
Corey Fenning in 10 games (7T, 27G)
78 Sean O’Sullivan in 10 games (2T, 35G)
74 Adam Pompey in 21 games (8T, 21G)
70 Zane Harris in 18 games (1T, 33G)
60 Tyrell Neiufi in 41 games (15T)

Biggest Winning Margins
44
54-10 v Manly, Waverley Oval – Rd 13, 2021.
32 36-4 v Canterbury, Accor Stadium – Rd 8, 2022.
32 
44-12 v North Sydney, North Sydney Oval – Rd 12, 2019.
30 40-10 v Canberra, North Sydney Oval – Rd 6, 2022.
30 40-10 v Mounties, Morry Breen Oval – Rd 8, 2018.

Biggest Losing Margins
32 10-42 v Penrith, Allianz Stadium – Rd 13, 2018.
28 14-42 v Canterbury, Mascot Oval – Rd 11, 2021.
24 16-40 v Canterbury, Belmore Sports Ground – Rd 6, 2021.
24 10-34 v Manly, Berkeley Vale Oval – Rd 7, 2018.
24 14-38 v Cronulla, Southern Cross Group Stadium – Rd 1, 2018.

Longest Winning Streaks
4 (Round 3, 2018 – Round 6, 2018)

Longest Losing Streaks
4
(Round 3, 2021 – Round 6, 2021)
3 (Round 23, 2019 – Finals Week 1, 2019)

Junior Kangaroos
Sean O’Sullivan (2018)

Junior Kiwis
Asu Kepaoa (2019), Christian Tuipulotu (2019)

NSW U20 Origin
2 Josh Curran (2018), Billy Smith (2018)

Qld U20 Origin
1 Lachlan Lam (2018)

NSW U18 Origin
2 Egan Butcher (2018), Duwanye Mariner (2018)

Qld U18 Origin
2 Geordie Brand (2018), McKenzie Baker (2018)

Arthur Beetson Medal
2018 Sam Verrills
2019 Freddy Lussick

NRL Graduates
16 Fletcher Baker (2018), Egan Butcher (2018-2019), Josh Curran (2018), Daniel Fifita (2018-2019), Jackson Frei (2018), Moala Graham-Taufa (2021-2022), Tukupa-Ke Hau Tapuha (2020), Asu Kepaoa (2018-2019), Lachlan Lam (2018), Freddy Lussick (2018-2019), Sean O’Sullivan (2018), Adam Pompey (2018), Billy Smith (2018), Treymain Spry (2018), Christian Tuipulotu (2019), Sam Verrills (2018)