29/9/2010The Reds are in Spain on Wednesday night (kick-off 19:45 BST) to take on top-of-the-table Valencia in the UEFA Champions League.
In off-form forward, who scored only once so far this season, limped off an hour in 2:2 at Bolton on Sunday.
Rooney was seen icing his ankle on the touch line, but Sir Alex Ferguson initially thought 24-year-old will be ready for the crucial trip to Spain.
However, it is now confirmed on the official club website that Rooney will be part of the travel party, and he joins Ryan Giggs (hamstring) on the sidelines.