Check out this Brian McCann Autographed National Baseball Hall of Fame Baseball - Certified Authentic Autographed - Signed MLB Baseballs. This baseball has been hand signed by New York Yankees star, Brian McCann and comes complete with a Certificate of Authenticity from Prime One Sports. The baseball is in excellent condition. Rawlings Official Major League Baseballs are perfect for display in any office or sports room. Prime One Sports offers a great selection of authentic autographed memorabilia signed by Brian McCann and will ship your baseball on the same business day.