Lyon manager Hubert Fournier said "there are no giants" in Group H after his side were drawn with Valencia, Zenit St. Petersburg and Gent.
Last year's Ligue 1 runners-up received a favourable draw thanks to UEFA's new seeding policy that sees the champions from the top eight sides placed together in the top pot.
That moved perennial powers like Real Madrid and Manchester United into the second pot, and gave Lyon a legitimate chance to advance to the knockout stage.
"It's a pretty open group. That...