They can sign LGs roster, although I think another team will have already signed them since they're still competing for LCQ
Theres still tons of free agents though, so G2 should be able to make a solid team from there using hoody and nukkye as core.
Here's my team for G2 just incase they decide to step in the NA scene:-
poiz(chamber/jett)
nukkye(duelist-sova flex)
hoody(sage/main initiator)
thwifo(controller)
BabyJ(main lurk/sentinel)