Against Me! and Hifi Handgrenades will open for the Foo Fighters Winnipeg show on March 25, 2008.
According to multiple online sources, it appears that Supergrass is on the bill to open for Foo Fighters in St. Louis on July 20th, 2008.
The Answer.
In 2008 Against Me and Japanther
Supergrass
Hello Stranger and Against Me! were the opening acts.
It appears to be: Year Long Disaster and Supergrass on tour with Foo Fighters. 07/14/08 Morrison, CO Red Rocks Amphitheatre 07/15/08 Morrison, CO Red Rocks Amphitheatre http://www.pitchforkmedia.com/article/news/49831-supergrass-tour-with-foo-fighters http://punk.bz/2008/06/24/foo-fighters-tap-year-long-disaster-for-opening-tour-slot/
The opening act for Giants Stadium will be Fiction Plane, a pop-rock band from England featuring lead singer and bass guitarist Joe Sumner, the son of Sting.
Against Me! is opening for them
In 2008 Against Me and Japanther
Supergrass
Manic Street Preachers
Hello Stranger and Against Me! were the opening acts.
Manic Street Preachers have been confirmed as support.
Supergrass
Against Me! and Serj Tankian
Supergrass and Year-Long Disaster
Jimmy Eat World, but do not know the other band.
Biffy Clyro Queens Of The Stoneage MCR Spice Girls
It appears to be: Year Long Disaster and Supergrass on tour with Foo Fighters. 07/14/08 Morrison, CO Red Rocks Amphitheatre 07/15/08 Morrison, CO Red Rocks Amphitheatre http://www.pitchforkmedia.com/article/news/49831-supergrass-tour-with-foo-fighters http://punk.bz/2008/06/24/foo-fighters-tap-year-long-disaster-for-opening-tour-slot/