Here is the list of players in Pacific who played in Japanese tier 2
DFM
Meiy
Art
Jinboong
Akame

DRX
HYUNMIN

GEN G
Munchkin
Foxy9

Global Esports
Kr1stal

PRX
something

RRQ
Jemkin

T1
Meteor
iZu

ZETA
Dep
SugarZ3ro
Xdll
CLZ
Syouta

Nongshim
Persia

It might not be a lot, but if you consider how shit zeta and dfm are doing in tier 1, tier 2 is doing fantastic and producing some great talents.