A former NSW U18s and U20s player, the skilful five-eighth/half-back has also represented the Australian U20s team.
A player with a great running and kicking game, Croker will be looking to further his NRL career at the Sea Eagles after playing the past two seasons for Mounties in the Intrust Super Premiership.
A Goulburn junior, Croker is the nephew of former Canberra Raiders forward Jason Croker.
Sea Eagles Regional Scout Scott Fulton said Croker offers tremendous utility value.
“Lachlan is a very good player who has come to Manly looking for an opportunity,’’ Fulton said.
“He is a player with plenty of pace who can cover several positions including half, five-eighth, and hooker.”
Manly Sea Eagles 2018 Player Movements
|2018 Gains: Lachlan Croker (Canberra Raiders, 2018), Jack Gosiewski (South Sydney Rabbitohs, 2018), Toafofoa Sipley (New Zealand Warriors, 2019), Kelepi Tanginoa (Parramatta Eels, 2018), Joel Thompson (St George Illawarra Dragons, 2019)|
|2018 Losses: Pita Godinet (Wests Tigers), Blake Green (New Zealand Warriors), Brenton Lawrence (Gold Coast Titans), Jesse Martin (South Sydney Rabbitohs), Steve Matai (retired), Nate Myles (retired), Brett Stewart (retired)|
|Re-Signed: Manase Fainu (2019), Addin Fonua-Blake (2020), Brad Parker (2019), Jorge Taufua (2019), Frank Winterstein (2019)|
|Off Contract 2018: Lewis Brown, Lachlan Croker, Jack Gosiewski, Jackson Hastings, Brian Kelly, Apisai Koroisau, Shaun Lane, Darcy Lussick, Curtis Sironen, Kelepi Tanginoa, Akuila Uate, Jonathan Wright|