Arsenal striker Olivier Giroud believes Paris Saint-Germain are the favourites for their Champions League clash at the Parc des Princes on Tuesday.
The two teams have been drawn alongside Basel and Ludogorets in Group A and will be looking to improve on their respective performances in the competition last season.
Having made it to the quarter-finals in each of the last four years, PSG are most likely to take top spot in the pool, according to Giroud.
After coming from behind to beat Southampton 2-1 in the Premier League with a last-gasp penalty from Santi Cazorla on Saturday, the striker thinks similar spirit will be required against the French champions.
"We knew this victory [over Southampton] would require character even if everything was not easy. The Champions League is a different competition," Giroud told Telefoot.
"Paris will regroup [from Friday's 1-1 draw with Saint-Etienne] and are the favourites and leader of this group. It is up to us to put doubt into them."
"Ibrahimovic had a very good season and it is important to them that someone takes over," he added.
"Cavani, if he is having a good night, can hurt us, especially with his shooting."
