Up to 25% Off Savings
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  1. baseball Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
1 - 72 of 766
Baseballs
766 Items
$187.99
$249.99
Sale
Cal Raleigh Seattle Mariners Autographed Baseball
$1,389.99
$1,543.99
Sale
Ichiro Suzuki, Ken Griffey Jr., Edgar Martinez Autographed Official MLB Baseball Seattle Mariners "HOF 16, HOF 19, HOF 25" IS Holo & Beckett BAS Witness Stock #238305
Almost Gone!
$553.99
$614.99
Sale
Ken Griffey Jr Autographed Hall of Fame Logo HOF Signed Baseball Beckett COA With Display Case
$209.99
Cal Raleigh Seattle Mariners Autographed Baseball and Sublimated Gold Glove Display Case with Image
Almost Gone!
$249.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB Home Run Derby Moneyball
Most Popular in Collectibles & Memorabilia
$415.99
$461.99
Sale
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners IS Holo & Beckett BAS Witness Stock #235458
$249.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB Home Run Derby Logo Baseball
Almost Gone!
$735.99
$817.99
Sale
Randy Johnson Signed 2001 World Series Baseball *WS MVP* BAS Witnessed
Almost Gone!
$981.99
$1,090.99
Sale
Randy Johnson Signed 2001 World Series Baseball WSMLB w/ "WS Champ MVP 2001" BAS
$248.99
$276.99
Sale
Edgar Martinez Autographed Official 2001 All Star Game Logo MLB Game Baseball Seattle Mariners Beckett BAS Witness Stock #252404
$276.99
$307.99
Sale
Edgar Martinez Autographed Official MLB Baseball Seattle Mariners "The Double 10-9-95" Beckett BAS Witness Stock #252424
$346.99
$384.99
Sale
Randy Johnson Autographed Official Hall of Fame HOF Logo Baseball Seattle Mariners Beckett BAS Witness Stock #252423
$415.99
$461.99
Sale
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners Beckett BAS Witness Stock #252425
$484.99
$538.99
Sale
Ken Griffey Jr. Autographed Official 1990 All Star Game Logo Game Baseball Seattle Mariners (First ASG) Beckett BAS Witness Stock #252426
$387.99
$430.99
Sale
Randy Johnson Autographed Official MLB Baseball Seattle Mariners "HOF 15" Beckett BAS Witness Stock #252421
Almost Gone!
$142.99
$158.99
Sale
ANDRES MUNOZ (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
Almost Gone!
$142.99
$158.99
Sale
LUIS CASTILLO (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
Almost Gone!
$142.99
$158.99
Sale
LOGAN GILBERT (Mariners) Signed Official 2024 ALL-STAR Baseball Beckett (BAS)
Almost Gone!
$127.99
$141.99
Sale
LOGAN GILBERT (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
Almost Gone!
$142.99
$158.99
Sale
ANDRES MUNOZ (Mariners) Signed Official 2025 ALL-STAR Baseball Beckett (BAS)
Almost Gone!
$562.99
$625.99
Sale
Ichiro Suzuki Signed Official Gold Glove Baseball JSA Sticker ONLY HOF Mariners
Almost Gone!
$171.99
$190.99
Sale
CARL EVERETT (Sox) Signed Official 2005 WORLD SERIES Baseball Beckett BAS w/ INS
Almost Gone!
$417.99
$463.99
Sale
Ichiro Suzuki Signed Baseball OMLB Mariners HOF #51 Inscription Autograph JSA
Almost Gone!
$171.99
$190.99
Sale
EDGAR MARTINEZ (Mariners) Signed Official HALL OF FAME Baseball Beckett (BAS)
Almost Gone!
$265.99
$295.99
Sale
George Kirby Signed Official Baseball JSA COA ROMLB Seattle Mariners Rookie Auto
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 VIII
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 VII
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 I
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 VI
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 IV
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 V
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 III
Almost Gone!
$31.99
$34.99
Sale
Ricky Jordan Signed Auto Rawlings Baseball B160 II
Almost Gone!
$58.99
$64.99
Sale
Carl Everett Signed American League Ball JSA Authenticated
Almost Gone!
$195.99
$217.99
Sale
Edgar Martinez Autographed Seattle Mariners OML Baseball HOF Beckett 51577
Almost Gone!
$624.99
$693.99
Sale
Ken Griffey Jr. & Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #252420
Almost Gone!
$257.99
$286.99
Sale
Dylan Moore Signed Official Gold Glove Baseball Seattle Mariners JSA Auth
Almost Gone!
$214.99
$238.99
Sale
Bryan Woo signed 2025 MLB ASG All-Star Baseball Mariners autograph ~ JSA COA
Almost Gone!
$571.99
$635.99
Sale
Ichiro Suzuki Autographed Official Hall Of Fame MLB Baseball - BAS
Almost Gone!
$100.99
$111.99
Sale
Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
Almost Gone!
$100.99
$111.99
Sale
Logan Gilbert Mariners Signed Autographed M.l. Baseball Jsa
Almost Gone!
$100.99
$111.99
Sale
Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
Almost Gone!
$661.99
$734.99
Sale
Ichiro Suzuki Signed Official MLB Baseball Mariners HOF 25 Autograph BAS COA
Almost Gone!
$257.99
$286.99
Sale
Andres Munoz Signed Official Major League Baseball Seattle Mariners JSA Auth #2
Almost Gone!
$257.99
$286.99
Sale
Andres Munoz Signed Official Major League Baseball Seattle Mariners JSA Auth
Almost Gone!
$257.99
$286.99
Sale
Logan Gilbert Signed Official Major League Baseball Seattle Mariners JSA Auth
Almost Gone!
$175.99
$195.99
Sale
Harry Ford Signed Official Major League Baseball Seattle Mariners JSA Auth
Almost Gone!
$257.99
$286.99
Sale
Logan Gilbert Signed Official Major League Baseball Seattle Mariners JSA Auth #2
Almost Gone!
$257.99
$286.99
Sale
George Kirby Signed Official Major League Baseball Seattle Mariners JSA Auth
Almost Gone!
$431.99
$479.99
Sale
Ken Griffey Jr. Mariners Signed Autographed A.l. Baseball Beckett Auth
$40.99
$44.99
Sale
Greg Halman Autographed Ball - Rookiegraph PSA DNA
$149.99
$199.99
Sale
Julio Rodriguez Seattle Mariners Autographed Rawlings Baseball
Most Popular in Collectibles & Memorabilia
$40.99
$44.99
Sale
Hisashi Iwakuma Autographed Official Opening Series Logo Baseball Seattle Mariners MLB Holo Stock #22715
Almost Gone!
$34.99
$38.99
Sale
Jay Buhner Autographed Official MLB Baseball Seattle Mariners MCS Holo #64090
Almost Gone!
$34.99
$38.99
Sale
Jay Buhner Autographed Official MLB Baseball Seattle Mariners MCS Holo #64091
$484.99
$538.99
Sale
Ichiro Suzuki Autographed Official Hall of Fame HOF Logo MLB Baseball Seattle Mariners IS Holo & "#51" Beckett BAS Witness Stock #246185
$89.99
$99.99
Sale
Bobby Thigpen Signed Rawlings Official MLB Baseball w/57 Saves 1990
$37.99
$49.99
Sale
Seattle Mariners Rawlings Gold Leather Baseball
Almost Gone!
$32.99
$36.99
Sale
Mike Leake Signed Baseball - cardinals giants Romlb M l W coa
Almost Gone!
$22.99
$24.99
Sale
Matt Lawton Signed Official OMLB Baseball Auto
Almost Gone!
$22.99
$24.99
Sale
Gordon Beckham Signed Official OMLB Baseball Auto
Almost Gone!
$20.99
$22.99
Sale
David Bell Autographed Official League Baseball Seattle Mariners SKU #243134
$53.99
$59.99
Sale
Jesse Winker Autographed Official MLB Baseball New York Mets MCS Holo Stock #208184
Almost Gone!
$28.99
$31.99
Sale
Jeff Harris Autographed Baseball - Indians M l W coa
Almost Gone!
$25.99
$28.99
Sale
David Bell Autographed Official MLB Baseball Seattle Mariners MCS Holo #87014
Almost Gone!
$26.99
$29.99
Sale
Clint Nageotte Signed Baseball - Tristar COA C
Almost Gone!
$26.99
$29.99
Sale
Clint Nageotte Autographed Baseball - M l W coa
Almost Gone!
$29.99
$32.99
Sale
Jesus Montero New York Yankees / Seattle Mariners Signed Oml Baseball
$53.99
$59.99
Sale
Tayler Saucedo Autographed Official MLB Baseball Seattle Mariners MCS Holo Stock #220624
Almost Gone!
$539.99
$599.99
Sale
Ichiro Suzuki & Jose Lopez Dual Signed Rawlings 2006 All Star Game Logo Baseball - (Beckett)
Almost Gone!
$34.99
$38.99
Sale
Bret Boone Autographed Official League Baseball Seattle Mariners MCS Holo #87261

Collectible Seattle Mariners Baseballs

Steiner Sports carries an unbeatable selection of signed Mariners baseballs to add to your official MLB collection. Browse from our assortment of authentic Seattle Mariners baseballs signed by your favorite top players. An autographed Mariners baseball is the perfect addition to any major fan's collection and also make amazing gifts. Shop with us today at Steiner Sports to find all the best, officially licensed Seattle Mariners collectibles and memorabilia.