Liverpool have made their first signing of the transfer window by bringing in Greece defender Kostas Tsimikas from Olympiakos on a long-term deal.
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A ninth minute penalty from Raul Jimenez gave Wolves a 1-0 win over Olympiakos which took them through 2-1 on aggregate in the tie.
The Europa League draw made on Friday means Manchester United face a potential final with Inter Milan.
Arsenal's match against Man City on Wednesday has been postponed after some players made "close contact" with Olympiakos owner Evangelos Marinakis.
Youssef El Arabi's last-gasp goal in added extra time helped Olympiakos pull off a major upset and oust Arsenal from the Europa League.
Alexandre Lacazette scored a crucial away goal to give Arsenal a 1-0 win over Olympiakos in Europa League round-of-32 action on Thursday.
Real Sociedad have wished their former player, Darko Kovacevic, "a swift recovery" following reports that he was shot at outside his home in Athens.
Tottenham rallied from two goals down to beat Olympiakos 4-2 in Jose Mourinho's first home match to book passed to the Champions League last 16.
Bayern Munich clinched their place in the Champions League round of 16 by beating Olympiakos 2-0 at home on Wednesday.
Bayern Munich needed two goals from their top scorer Robert Lewandowski to sneak past hosts Olympiakos 3-2 on Tuesday.
Olympiakos' Ruben Semedo was called up by Portugal while he awaits trial in Spain over charges of attempted murder, kidnapping and robbery.
Olympiakos were charged after their fans unfurled a banner that UEFA deemed to be racist in their 3-1 loss at Red Star Belgrade.
Former European Cup winners Red Star Belgrade fought back to earn a 3-1 home win against 10-man Olympiakos Piraeus in a pulsating Champions League G
Olympiakos battled back from two-goals down to earn a 2-2 draw with Tottenham in their Champions League Group B opener in Athens on Wednesday night.
Real Madrid will face Paris Saint-Germain in the Champions League group stage this season.
Red Star Belgrade drew away to Swiss side Young Boys while Olympiakos thumped Krasnodar in the first leg of the Champions League playoff round tie.
The Athens derby between was abandoned with Olympiakos 1-0 ahead and it is likely Panathinaikos will receive a fine and possible points deduction.
Olympiakos pulled off a stunning 3-1 Europa League win over AC Milan that put them into the round of 32 and sent the Italians crashing out.
Former Manchester City and Barcelona midfielder Yaya Toure has left Olympiakos three months after rejoining the Greek Super League club.
Substitute Patrick Cutrone netted twice in nine minutes to lift seven-time European champion AC Milan to a 3-1 comeback win at home to Olympiakos.
Yaya Toure claims he rejected offers from other clubs in Europe, Asia and the United States to return to Greek Super League side Olympiakos.
The Chilean managed the Ivorian during his time at Manchester City and a reunion had been mooted after Yaya Toure left the Etihad this summer.