Chris Johnson Signed Tennessee Titans Black Logo Football 2006 Yds BAS 31321 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Tennessee Titans black logo football that was personally autographed by Chris Johnson with 2006 rush yards 2008 inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.