Olympiakos have named former Albania midfielder Besnik Hasi as their new head coach.
The 45-year-old, who has previously managed Anderlecht and Legia Warsaw, leading the Poles against Dundalk in the Europa League, succeeds Paulo Bento at the helm of the Greek champions.
The Greek football association has punished PAOK and AEK Athens after supporter violence marred last month's Greek Cup final.
The association's disciplinary committee has ruled that PAOK will lose six points from next season's league tally, play seven home games behind closed doors and pay a fine of €282,500.
AEK have been fined €170,000 and ordered to play three home games behind closed doors.
AEK will therefore play in the qualifying rounds of the Champions League.
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Nottingham Forest have announced Olympiakos owner Evangelos Marinakis has completed his takeover of the club.
The Championship side said Marinakis' 100 percent buy-out has been approved by the English Football League (EFL) even though an investigation into accusations of match-fixing is ongoing in Greece.
Marinakis has passed the EFL's owner's and directors' test and the deal ends the five-year reign of Fawaz Al Hasawi, but UEFA is still monitoring the Greek case and awaiting the outcome.
A Greek league playoff between Panathinaikos and PAOK was abandoned after PAOK coach Vladan Ivic was hit on the head by a beer can thrown from the stands.
Ivic was taken to hospital for treatment after the incident, which followed a 54th-minute brawl involving several players.
Play was suspended for more than an hour before the game was eventually abandoned.
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