Bordeaux coach Laurent Blanc, whose team are seeking a first league title since 1999, put the pressure on Marseille ahead of Sunday's game at the Stade Velodrome.
"It's an important game for Bordeaux but it's even more important for Marseille," he told reporters.
Former Manchester United player Bellion picked up the injury during his side's 3-0 demolition of Paris St Germain in a French League Cup semi-final on Wednesday.
Retired Zinedine Zidane believes Girondins Bordeaux can pip seven-times champions Lyon for this year's Ligue 1 title.
Although Lyon have a narrow lead, they (Bordeaux) can be champions. They have a nice team, they play really nice football. They deserve to be champions," Zidane told reporters on Thursday while visiting Bordeaux, where he played for four years in the 1990s.
"We are not that down after this defeat against Bordeaux. We have the opportunity to move up in the standings as two rivals play each other on Sunday," he told his club's website, referring to the Bordeaux v Marseille game.
"We needed to make a point," said PSG coach Paul Le Guen.
Stade Rennes midfielder Olivier Thomert is set to start Saturday's game at bottom club Le Havre after recovering from a fibula fracture, French sports daily L'Equipe reported on Friday.
Le Havre keeper Christophe Revault, whose team are on a seven-match losing streak, fears his team might concede yet another defeat as he believes Rennes are "currently the best team in Ligue 1".
"It's not the very best moment to play them," he told his club's website.
