He was taken by ambulance to hospital with a suspected broken jaw, the BBC
reported. Chinese reports said captain Chen Tao also needed treatment at
hospital.
The unusual circumstances of the game - it was not an official match - mean
it could be difficult for the FA to act.
Referee Gallagher is expected to
file a report with England's Football
Association.
"If this incident is reported by Mr. Gallagher then, of course, we will be
investigating it fully," the FA said.
Footage of the fight aired Thursday in China, showing China striker Gao Lin throwing punches after being
picked up by a Rangers player. Both players fell to the ground, then others
joined the fight.
Web portal Sina.com said Zheng
had broken his jaw and lost a tooth in the clash.
"I've never seen anything like it in my life," said a witness. "There were
punches, kung-fu kicks and all sorts. It was absolute mayhem ."
QPR, in the English second division, was leading 2-1 at the time in a match
that was part of China's ongoing tour of England, where they are based at
Premiership champions Chelsea's training ground in Cobham, south of London.
A tough tackle on Gao Lin sparked
the incident, with Gao lashing out.
Eight players including Gao, who apologised for the fracas, will be sent home
from London early as punishment, China's Sina.com website reported.
"Because of me an incident occurred during the match with Queen's Park
Rangers which severely damaged the reputation of the Chinese Olympic team. I
sincerely apologise to everybody concerned," Gao said in a statement.
Assistant coach Jia Xiuquan also apologised for the Chinese team.
Countries are only allowed to field
Under-23 players in Olympic competition and 2008 hosts China are
in England preparing for next year's Beijing Games.
The Chinese Olympic team was invited to train in London by Premier League
club Chelsea, which is trying to make inroads
into China's lucrative sports market. Chelsea launched a new
Chinese-language Web site last month in Beijing, and announced new sponsorship
deals in China.
The Chinese team, as part of its stay in England, also scheduled several
friendly matches, including Wednesday's game.
