Grant Balfour Autographed Memorabilia

Signed Grant Balfour Baseballs & Baseball Memorabilia

Grant Balfour autographed memorabilia celebrates the Australian-born relief pitcher known for his intensity on the mound, standout years with the Tampa Bay Rays and Oakland Athletics, and long Major League Baseball career as a trusted late-inning arm.

Shop hand-signed Grant Balfour baseball collectibles at SportAuthentix, including autographed MLB Official Major League Baseballs, signed World Series baseballs, and authentic baseball memorabilia for fans and collectors.

Each signed item includes a SportAuthentix tamper-proof hologram and Certificate of Authenticity (COA). Every item is backed by our 100% lifetime authenticity guarantee.

Browse available Grant Balfour autographs and signed baseball memorabilia below.