Offered here is an official flag from the 2010 Ryder Cup at Celtic Manor that is autographed by the entire United States Team, including Captain Corey Pavin and notable players like Tiger Woods, Phil Mickelson, Dustin Johnson, and Rickie Fowler. Very clean, impressive autographs. 

Here is a complete list of autographs on this flag, which includes the United States Team Captain and all 12 American Team participants in the 2010 Ryder Cup. 

Corey Pavin (United States Team Captain)
Tiger Woods
Phil Mickelson
Dustin Johnson
Rickie Fowler
Matt Kuchar
Zach Johnson
Jim Furyk
Bubba Watson
Steve Stricker
Jeff Overton
Hunter Mahan
Stewart Cink

Letter of Authenticity from James Spence Authentication (JSA)