Free U.S. Shipping on Orders Over $79. Use Code: SM79SHIP. Each offer has a limited duration that expires at the specified time. Some promotions may require that you enter a code. By making a purchase featuring a discount or promotion, including where a code may be required, you are agreeing to these terms and exclusions. Generally, eligibility will be as reflected in the price shown on the product page. However, discounts and promotions for certain products may only appear once an item is added to the cart and the code is entered. Prices and fees, including any applicable discount(s), will be as reflected in the cart. Only the as-discounted retail price (excluding applicable shipping, taxes, and handling fees) counts toward any minimum spend required for eligibility. If a rewards program applies, the rewards may only apply to the as-discounted retail price. Discounts and promotions do not apply to gift cards. Gift card purchases do not count toward any minimum spend required for eligibility. Exclusions may apply, including: all auctions and product drops; product that is already on sale, of limited quantity, for recent championship or other special events; trading cards and certain memorabilia; select jerseys, on-field headwear, die cast and certain collectibles; and certain premium brand product. Additional terms and other exclusions may apply in our sole discretion. Items listed as FINAL SALE on the product page are final sale and cannot be returned. Free shipping promotions are valid in Continental U.S., US Territories, and AFO/FPO only, such promotions exclude heavy, large, and/or bulky items, and free shipping does not apply to the extent your cart at checkout contains any excluded item(s). Shipping method and timing may vary. Expected delivery times are based on in-stock items and the specified zip code, if applicable. Delivery estimates are not guaranteed.
  1. MLB Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
  4. Signed
1 - 72 of 90
Baseballs
90 Items
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 VIII
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 VII
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 I
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 VI
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 IV
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 V
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 III
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 II
$44.99
Greg Halman Autographed Ball - Rookiegraph PSA DNA
$44.99
Hisashi Iwakuma Autographed Official Opening Series Logo Baseball Seattle Mariners MLB Holo Stock #22715
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$38.99
Jay Buhner Autographed Official MLB Baseball Seattle Mariners MCS Holo #64090
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$38.99
Jay Buhner Autographed Official MLB Baseball Seattle Mariners MCS Holo #64091
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$36.99
Mike Leake Signed Baseball - cardinals giants Romlb M l W coa
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$31.99
Jeff Harris Autographed Baseball - Indians M l W coa
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$28.99
David Bell Autographed Official MLB Baseball Seattle Mariners MCS Holo #87014
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$29.99
Clint Nageotte Signed Baseball - Tristar COA C
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$29.99
Clint Nageotte Autographed Baseball - M l W coa
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$32.99
Jesus Montero New York Yankees / Seattle Mariners Signed Oml Baseball
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$38.99
Bret Boone Autographed Official League Baseball Seattle Mariners MCS Holo #87261
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$38.99
Luis Castillo Autographed Official Major League Baseball
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Mike Cameron Autographed Official 2001 All Star Game Commemorative Baseball Seattle Mariners MCS Holo #87259
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$38.99
Alex Liddi Autographed Ball - Official Team Italy Beckett BAS #H10338
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$35.99
Shane Monahan Seattle Mariners Signed Autograph Arizona Fall Baseball PSA DNA
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$38.99
Jesus Montero Signed Baseball OMLB NY Yankees Mariners Catcher Autograph TPG
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$41.99
Travis Witherspoon Autographed Baseball - Angels M l W coa
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$32.99
Brian Giles Signed Rawlings OML Baseball Auto Autograph
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$43.99
Ian Snell signed Official Rawlings Major League Baseball #45 tone spots- COA (Pirates/Mariners)
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$34.99
Alvaro Espinoza Signed Auto Rawlings Baseball B151
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$38.99
Mike Cameron Autographed Official League Baseball Seattle Mariners MCS Holo #87267
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$38.99
Jamie Moyer Autographed Official AL Baseball Seattle Mariners MCS Holo #87008
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$38.99
Alonzo Powell Signed Baseball - Official Houston Astros Beckett BAS #H10596
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$38.99
Jay Buhner Autographed Official Seattle Mariners Logo Baseball SKU #243129
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$38.99
Jose Cruz Jr. Autographed Official AL Baseball Seattle Mariners, Toronto Blue Jays PSA/DNA #AB51248
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$38.99
Alex Liddi Signed Baseball - Official Team Italy Beckett BAS #H10408
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$38.99
Dee Gordon Autographed Official MLB Baseball Los Angeles Dodgers, Seattle Mariners MCS Holo #76933
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$38.99
Luis Castillo Autographed Official Major League Baseball
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$35.99
Seattle Mariners Chris Woodward LaHair Signed Autograph by 6 Baseball PSA DNA
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$35.99
Seattle Mariners Bryan LaHair Woodward Signed Autograph by 5 Baseball PSA DNA
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$43.99
Luiz Gohara Signed Official Major League Baseball W/COA Seattle Mariners
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$32.99
Russell Davis Autographed Baseball
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$32.99
Tracy Jones Autographed Baseball - Rawlings National League
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$32.99
Denard Span Signed Official OMLB Baseball Auto
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$37.99
Shawn O'malley Seattle Mariners/angels Signed Autographed M.l. Baseball W/coa
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$37.99
Danny Hultzen Signed Ball - OML W COA *Virginia Cavaliers*
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$41.99
Bret Boone Seattle Mariners Framed Photo w Game Used Baseball Piece Upper Deck
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$36.99
David Rollins Autographed Baseball - M l W coa
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$41.99
Eric Byrnes Orioles/a's/mariners Signed Autographed M.l. Baseball W/ Coa
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$32.99
Matt Lawton Signed Rawlings OML Baseball Auto Autograph
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$47.99
Autographed Shane Monahan Baseball - American League W coa
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$44.99
Signed Greg Halman Baseball - Official PSA DNA Rookiegraph #R19158
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$44.99
Jay Buhner Autographed Official AL Baseball Seattle Mariners MCS Holo #87022
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$48.99
Milton Bradley Autographed Baseball
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$44.99
Cha Seung Baek Autographed Official MLB Baseball Seattle Mariners MLB Holo #BB392739
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$44.99
James Paxton Autographed Official Stat Logo Baseball Seattle Mariners #15/100 Beckett BAS #E67022
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$44.99
Greg Halman Signed Ball - Official PSA DNA Rookiegraph #R19162
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$44.99
Jj Putz Signed Autographed Mlb Baseball Mariners Diamondbacks Bas Coa Bn95201
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$47.99
James (Cleveland Cavaliers) Jones Autographed Ball - rangers M l W coa
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$44.99
Greg Halman Autographed Baseball - Official PSA DNA #R19164
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$45.99
Mike Leake 2009 Upper Deck Usa Baseball Auto Prospect
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$45.99
Miguel Olivo Seattle Mariners Marlins Signed Autographed M.l. Baseball W/coa
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$44.99
Mike Cameron Autographed Official MLB Baseball Seattle Mariners MCS Holo #87007
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$44.99
Brian Giles Signed Baseball - Major League COA
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Ian Snell Autographed Baseball - Chicago Cubs Official Ml W coa
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Greg Halman Signed Baseball - Official MCS Holo #55024
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Michael Pineda Autographed Official Stat Logo MLB Baseball Seattle Mariners #3/36 MLB Holo #FJ558526
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$44.99
Greg Halman Signed Baseball - Official Holo #FJ703002
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$45.99
Mike Leake 2008 Ud Timeline Usa Baseball Auto Prospect
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$44.99
Joel Pineiro Seattle Mariners Signed Autograph Official OMLB Baseball PSA DNA
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$47.99
Tyler Marlette Seattle Mariners Signed Autographed M.l. Baseball W/coa
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$50.99
Drew Jackson Signed Official Major League Baseball W/COA Seattle Mariners
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$50.99
Autographed Yovani Gallardo Baseball - OML * * W COA