Offered here is an official flag from the 2008 Ryder Cup, which was held at Valhalla and won by the American Team 16 1/2 to 11 1/2. This flag is autographed by every single member of the winning American Team. Here is a complete list of the autographs on this flag:
Phil Mickelson
Jim Furyk
Justin Leonard
Kenny Perry
Anthony Kim
JB Holmes
Boo Weekley
Ben Curtis
Steve Stricker
Hunter Mahan
Stewart Cink
Chad Campbell
Certificate of Authenticity from Green Jacket Auctions (GJA)