Egyptian striker Ahmed' Kouka' Hassan netted a double in Olympiacos' 3-1 comeback win over Panathinaikos on Sunday to win his second consecutive league title with the Greek giants.
The towering frontman came off the bench in the 37th minute, replacing Senegalese defender Ousseynou Ba with the vistors leading 1-0.
He leveled the score with a fine header just before the break and put them ahead in the 72nd minute.
Olympiacos gained an unassailable 22-point lead with only seven matches left to play.
Kouka, who missed Egypt's African Nations Cup qualifying games against Kenya and Comoros last month, produced a string of strong displays with Olympiacos this season.
He scored the equaliser in his side's 1-1 draw at PAS Giannina in the first leg of the Greek Cup semis last week, thanks to a stunning bicycle kick.
The 28-year-old has scored 15 goals in 31 appearances in all competitions so far this term.
He took his tally with Olympiacos to three titles, having also won the Greek Cup last season while on loan from Portugal's Braga.
(For more sports news and updates, follow Ahram Online Sports on Twitter at @AO_Sports and on Facebook at AhramOnlineSports.)