Manchester United manager David Moyes has claimed that his team's Champions League group is an open one.

United have been pitted against Bayer Leverkusen, Shakhtar Donetsk and Real Sociedad in Group A.

"I think all groups are tough," Moyes told reporters. "You could always pick the winner out of it in the past, but it's become more difficult and more unpredictable now. I see it as a pretty tough, open group."

The Red Devils start their campaign at home to Bayer Leverkusen on Tuesday.