Check out this Michael Irvin Autographed NFL Supergrip Football - JSA Certified Authentic! Michael Irvin is a Dallas Cowboys fan favorite and this autographed NFL Super Grip football displays nicely in any sports memorabilia collection! All Prime One Sports items are certified authentic and come backed with our 100% Money Back Guarantee. This autograph item comes with Certificate of Authenticity from James Spence Authentication (JSA). Fans can get your Michael Irvin signed NFL football here today!