{"product_id":"konnor-griffin-signed-official-mlb-baseball-mlb-authenticated-pittsburgh-pirates","title":"Konnor Griffin Signed Official MLB Baseball MLB Authenticated Pittsburgh Pirates","description":"\u003cp\u003eSecure a signed baseball from the most anticipated position player \ndebut in over three decades with this \n\u003cstrong\u003eKonnor Griffin Autographed Official MLB Baseball — \nMLB Authenticated\u003c\/strong\u003e. \nOn April 3, 2026, Konnor Griffin walked to the plate \nat PNC Park for the Pittsburgh Pirates' home opener \nagainst the Baltimore Orioles and became \nthe first teenage position player to appear \nin an Opening Day lineup since Ken Griffey Jr. in 1989. \nHe was 19 years old, the consensus No. 1 overall prospect \nin baseball by ESPN and MLB Pipeline, \nand carrying a nine-year, $140 million contract \nthe Pirates had signed with him \non the day of his promotion. \n\u003cstrong\u003eThe signed baseball in this listing was authenticated \nat that moment of arrival — \nbefore the career credentials have been earned, \nbefore the MVP votes and Gold Gloves \nthat the scouting community projects, \nwhile Griffin is still the prospect \nrather than the player the prospect becomes.\u003c\/strong\u003e \nThe official MLB baseball signed by Griffin \ncarries the most specific available timing argument \nin the Gameday catalog: \nthe autograph of the No. 1 overall prospect \nat the beginning of the career \nthat baseball's most credentialed evaluators \nhave projected as one of the sport's next generational talents — \ncertified authentic by the official MLB authentication program \nwith a tamper-proof hologram verifiable \nat MLB's official authentication website.\u003c\/p\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eOfficial Rawlings MLB Baseball\u003c\/strong\u003e \nhas been \u003cstrong\u003ehand-signed by Konnor Griffin\u003c\/strong\u003e \nwith a bold, clean autograph. \nThe autograph has been certified authentic by \n\u003cstrong\u003eMLB Authentication\u003c\/strong\u003e — \nthe official MLB tamper-proof hologram is affixed \nto the baseball and verifiable at \nMLB's official authentication website.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHand-signed by \u003cstrong\u003eKonnor Griffin\u003c\/strong\u003e — \nPittsburgh Pirates shortstop; \n\u003cstrong\u003eNo. 1 overall prospect in baseball\u003c\/strong\u003e \n(ESPN and MLB Pipeline, 2026 season); \nninth overall pick, 2024 MLB Draft\u003c\/li\u003e\n\u003cli\u003eOfficial Rawlings MLB Baseball — \nthe standard game ball of Major League Baseball; \nsigned by the sport's most anticipated position player \ndebut since Ken Griffey Jr.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMLB Authenticated\u003c\/strong\u003e — \nofficial MLB tamper-proof hologram affixed to the baseball, \nverifiable at MLB's official authentication website\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMLB debut April 3, 2026\u003c\/strong\u003e — \nhome opener vs. Baltimore Orioles; \n\u003cstrong\u003efirst teenage position player \nto appear on Opening Day since Ken Griffey Jr. in 1989\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2025 minor league season\u003c\/strong\u003e: \n.333 average, 21 home runs, 94 RBI, 65 stolen bases \nacross 122 games at Low-A, High-A, and Double-A; \n\u003cstrong\u003eBaseball America Minor League Player of the Year\u003c\/strong\u003e; \n2025 All-Star Futures Game selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-year, $140 million contract\u003c\/strong\u003e signed with \nPittsburgh Pirates upon MLB promotion — April 2026\u003c\/li\u003e\n\u003cli\u003eFive-tool profile: \u003cstrong\u003e6'3\", 222 lbs; \nplus-plus speed (87-for-88 stolen base attempts \nin his final high school season); \nplus-plus arm (97 mph off the mound); \nabove-average shortstop defense; \nplus-plus raw power\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBacked by our \u003cstrong\u003eLifetime Authenticity Guarantee\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eThe No. 1 Prospect — Before the Career Begins\u003c\/h2\u003e\n\u003cp\u003eKonnor Griffin was ranked the No. 1 overall prospect in baseball \nby ESPN and MLB Pipeline entering the 2026 season — \nthe consensus top position player in any organization, \nahead of any player at any level across all 30 clubs. \nHe was the ninth pick in the 2024 MLB Draft, \nthe first high school player selected in that class, \nand the Gatorade National High School Player of the Year — \nan honor whose recent lineage includes \nAlex Rodriguez, Clayton Kershaw, Bobby Witt Jr., and Gary Sheffield. \n\u003cstrong\u003eThe Pirates signed Griffin for $6.53 million \n(above the assigned slot value for the ninth pick) \nrather than allow him to honor his commitment to LSU, \nthen signed him to a nine-year, $140 million extension \nwhen they promoted him to the major leagues in April 2026 — \nthe most formal available market statement \nof what the franchise believes Griffin will become.\u003c\/strong\u003e \nThe signed baseball in this listing was authenticated \nat the opening of that career — \nthe moment when \"the No. 1 overall prospect\" \nand \"Pittsburgh Pirates shortstop\" \nbecame the same credential on the same player. \nFor the collector who wants a Griffin autograph \nbefore the MVP voting and Gold Gloves \nthat scouts project make the credential more expensive, \nthis is the piece from the beginning of the record, \nnot from the middle of it.\u003c\/p\u003e\n\n\u003ch2\u003eWhat He Did in the Minors — The Evidence Behind the Ranking\u003c\/h2\u003e\n\u003cp\u003eThe No. 1 overall prospect ranking is not a projection \nwithout evidence. \nIn 2025, Griffin's first professional season, \nhe played 122 games across three levels — \n50 at Low-A Bradenton, 51 at High-A Greensboro, \nand 21 at Double-A Altoona — \nand produced a .333 batting average, \n21 home runs, 94 RBI, and 65 stolen bases. \n\u003cstrong\u003eBaseball America named him their Minor League Player of the Year. \nHe won the first Minor League Gold Glove Award \nat shortstop for a Pittsburgh farmhand \nsince 2021, was named MiLB Hitting Prospect of the Year, \nMiLB Debut of the Year, \nand appeared in the 2025 All-Star Futures Game \nat Truist Park.\u003c\/strong\u003e \nThe .333 average across three levels, \nthe 21 home runs for a teenager, \nand the 65 stolen bases on a shortstop \nwho has above-average defensive grades \nrepresent the specific statistical evidence \nthat made the No. 1 overall prospect ranking \nthe most defensible available evaluation \nin the sport heading into his debut season. \nThe signed baseball carries Griffin's autograph \nfrom the player who produced those numbers — \nbefore they became the foundation \nof whatever the next nine years under contract \nin Pittsburgh produces.\u003c\/p\u003e\n\n\u003ch2\u003eFive Tools, One Player\u003c\/h2\u003e\n\u003cp\u003eBaseball's evaluation framework for the ideal position player \nrequires five specific tools: \nhitting for average, hitting for power, speed, throwing arm, \nand defensive ability. \nPlayers who grade above-average in all five \nare exceptionally rare at any level. \nPlayers who grade plus-plus in multiple categories \nare generational prospects. \n\u003cstrong\u003eGriffin's scouting profile includes \nplus-plus grades in speed and arm strength — \nhe posted 87-for-88 on stolen base attempts \nin his final high school season \n(the only caught stealing came on an attempted steal of home) \nand pumped 97 mph off the mound \nas a two-way prospect before committing \nfully to position player development — \nwith plus-plus raw power fueled by electric bat speed \nand a 6'3\", 222-pound frame \nthat projects to add strength.\u003c\/strong\u003e \nThe primary scout comps are Bobby Witt Jr. \nand Fernando Tatis Jr. — \ntwo of the game's current elite shortstops — \nwith his combination of bat speed and \nperformance at his age also drawing \ncomparisons to Ronald Acuña Jr., \nwho debuted in the major leagues just after turning 20. \nThe official MLB baseball signed by Griffin \nis the autograph of the player \nthose tools belong to — \nat age 19, at the very beginning of \nthe career that baseball's most credentialed evaluators \nhave projected as one of the sport's \nnext defining talents.\u003c\/p\u003e\n\n\u003ch2\u003eMLB Authentication\u003c\/h2\u003e\n\u003cp\u003eThis baseball has been certified authentic \nby \u003cstrong\u003eMLB Authentication\u003c\/strong\u003e. \nThe official MLB tamper-proof hologram is affixed \ndirectly to the baseball and is verifiable \nat MLB's official authentication website.\u003c\/p\u003e\n\n\u003ch2\u003eAuthenticity\u003c\/h2\u003e\n\u003cp\u003eThis baseball is certified authentic by \n\u003cstrong\u003eMLB Authentication\u003c\/strong\u003e. \nThe tamper-proof MLB hologram is verifiable \nat MLB's official authentication website.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlayer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKonnor Griffin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTeam\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePittsburgh Pirates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShortstop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutographed Official MLB Baseball (Rawlings)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuthentication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLB Authentication — official tamper-proof hologram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMLB Debut\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApril 3, 2026 — home opener vs. Baltimore Orioles (age 19)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDraft\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9th overall, 2024 MLB Draft (Pittsburgh Pirates) — $6.53M bonus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContract\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9yr \/ $140M signed April 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2025 Minors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.333 avg, 21 HR, 94 RBI, 65 SB across Low-A, High-A, Double-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAwards (2025)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBaseball America MiLB Player of the Year; MiLB Gold Glove (SS); Futures Game\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6'3\", 222 lbs; plus-plus speed\/arm; age 19 at MLB debut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAuthenticity Guarantee\u003c\/h2\u003e\n\u003cp\u003eEvery signed piece at GameDay Sports Memorabilia is backed by our \u003cstrong\u003eLifetime \nAuthenticity Guarantee\u003c\/strong\u003e. If your item is ever determined to be inauthentic, \nwe will replace or refund it — no questions asked.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":53301379662123,"sku":"SC-KONNOR-GRIFFIN-BASEBALL","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/6124\/5995\/files\/53d3a6af-a44c-48e2-bdfa-330cdbd6afc5-1776461328.jpg?v=1776461549","url":"https:\/\/gamedaysportsmemorabilia.com\/products\/konnor-griffin-signed-official-mlb-baseball-mlb-authenticated-pittsburgh-pirates","provider":"Gameday Sports \u0026 Memorabilia","version":"1.0","type":"link"}