Olympiacos' defeat at FC Xanthi allowed Panathinaikos, who were 1-0 winners against Atromitos, to reach the Super League summit, while strugglers Doxa Dramas and Levadiakos suffered home losses.
Panathinaikos held on for the win against FC Xanthi despite being a man down, with a 3-2 victory taking them up to fifth in the Greek Superleague, while PAOK Salonika drew 0-0 with OFI Crete.
Panathinaikos have signed Arsenal and Spartak Mosvow winger Quincy Owusu-Abeyie on loan from Qatari side Al-Sadd, with the Ghanian international set for a year-long move.
Cristiano Ronaldo scored a second-half hat-trick as Real Madrid overwhelmed Malaga 7-0 to close the gap on Barcelona, while Almeria remain mired in last place with a draw against ten-man Racing Santander.
Though Algeria are the sole Arab nation at South Africa 2010, Arab fans are spreading their support across a variety players and teams.
Portsmouth manager Avram Grant acknowledged being overwhelmed by emotion at the end of a week when his club nearly went out of business.