By James Agberebi:
Brown Ideye was on target for Olympiakos who thrashed Kalloni 5-0, and the 2015-2016 season Greek champions were formally crowned on Sunday – their 43rd title in history.
Ideye grabbed the fifth goal with six minutes left in the encounter.
The former West Brom forward, scored 10 goals in 24 league appearances for Olympiakos.
Also in Greece, Abduljeleel Ajagun was in action for his side Levadiakos, in their 3-0 win against AEK Athens.
Ajagun, who joined Levadiakos from Panathinaikos, was on throughout the encounter.
Super Eagles defender Leon Balogun scored his first bndesliga goal of the season but it wasn't enough as Cologne came from 2-0 down to win 3-2 in Sunday's league game.
Balogun, scored in the 49th minute to give Mainz a 2-0 lead after Jhon Cordoba had opened scoring.
It was Balogun's 20th league game of the season for Mainz.
In Italy, Ogenyi Onazi also opened his league goal account in Lazio's 2-0 win against visiting Empoli.
Onazi, who featured in his 10th league game and played for 90 minutes, found the back of the net on 44 minutes.
In the English Premier League, Alex Iwobi was outstanding in Arsenal's 1-1 home draw against Crystal Palace.
Iwobi was on from the start before making way for Theo Walcott in the 75th minute.The 19 year old has scored two league goals for Arsenal.
Still in England, the duo of Emmanuel Emenike and Victor Moses were in West Ham's starting 11 in their 2-2 draw against Leicester at the King Power Stadium.
Emenike featured for 90 minutes while Moses was replaced by Enner Valencia on 72 minutes.
In Portugal, Nigeria left-back, Stanley Amuzie, produced a champagne performance, scoring for his side, SC Olhanense in their 1-0 win over Farense.
It was Amuzie's first ever goal in the European League.
Also in Portugal, Super Eagles right-back Abdullahi Shehu was sent off in Uniao da Madeira's 4-3 home loss to Pacos de Ferriera.
Shehu, was given his marching order in the 61st minute after receiving his second caution.
And in Turkey, Eagles defender Kenneth Omeruo made an appearance as Kasimpasa were beaten 2-1 at home by Kayserispor.
Omeruo was later substituted by Ferhat Kiraz in the 86th minute.