Seattle Mariners » Autographed Bats

Autographed Mariners Baseball Bats. Shop our certified authentic Seattle Mariners autographed memorabilia collection. Our Mariners collection includes certified authentic autographs and sports collectibles. Our best-selling Mariners items are signed jerseys, baseballs, hats and autographed photos. Get yourself a signed baseball bat from your favorite Seattle balllplayer. Safeco Field has seen its share of great athletes - get a baseball bat autographed by a Mariners legend like Ken Griffey Jr, Jay Buhner or Edgar Martinez.