LONDON, July 9 (Xinhua) -- English Premier League giants Manchester United said on Friday that their captain Gary Neville will miss the club's pre-season tour of North America because of a calf injury.

The squad will fly to Chicago on Sunday, while Neville has to stay in Manchester for treatment.

Injured England captain Rio Ferdinand has also been ruled out of United's 22-man squad for the trip to the United States.

United will play Scottish powerhouses Celtic in Toronto on Friday before heading to the United States for games against Philadelphia Union on July 21 and the Kansas City Wizards on July 25.

They finish their tour against the MLS All-Stars in Houston on July 28.