Many thought that this was an April Fools joke, but as far as I know, it wasn't. I was a bit skeptic at first, but then when I saw the second news post about them confirming it, I was sure it wasn't a joke.
LinYu)PJ, now PJ[pG], is a Chinese all-round player who participated in WCG 2003, where he qualified to the playoffs, coming from a group with players like 
Arch, 
Assem and 
H.O.T-Forever. In the playoffs, PJ lost to the WCG 2003 winner; ogogo. PJ is currently ranked 1st on the WGTour ladder.
The Korean pro gamer Yellow from Toona SG is ranked 2nd at the KPGA ranking, with only NaDa above him. This great Zerg player will be a great asset to Team [pG]. The latest league he played in; MBCGame Starleauge, he ended up losing to iloveoov in the finals. Yellow will, along with Pj, wear the [pG] tag with pride and honour. Yellow stated that he was very excited to join a foreign team, mostly of cultural reasons; since all his other team mates were Koreans.Links
Pro-gaming.de - News about PJ (in german)
Pro-gaming.de - News about Yellow (in german)
Pro-gaming.de - Home of [pG] (in german)