Vladimir Guerrero Jr. Signed Blue Jays Custom Blue Jersey - JSA

Add the signature of the face of the Toronto Blue Jays franchise for the next fourteen years to your collection with this Vladimir Guerrero Jr. Autographed Toronto Blue Jays Custom Blue Baseball Jersey with Blue Letters — JSA Authenticated. On April 9, 2025, Guerrero signed a 14-year, $500 million contract extension with the Blue Jays — the largest contract commitment in franchise history, keeping him in Toronto through approximately 2040, when he will be 41 years old. In the months that followed, Guerrero made clear why the investment was worth every dollar: he won the 2025 ALCS Most Valuable Player Award as the Blue Jays advanced to their first World Series appearance since 1993, and he led all of MLB in the 2025 postseason in OPS (1.289), total bases (58), RBI (15), extra-base hits (13), and runs scored (18) — while hitting the first playoff grand slam in Blue Jays history against the Yankees. The blue-on-blue custom jersey signed by Guerrero is the tonal Blue Jays format — the colorway and lettering treatment that pulls the entire jersey into a single unified shade — carrying the autograph of the player who is now committed to delivering those credentials in Toronto for the foreseeable future, certified authentic by James Spence Authentication (JSA) with a numbered JSA sticker and certificate of authenticity verifiable at JSA's official website.

This Toronto Blue Jays Custom Blue Baseball Jersey with Blue Letters has been hand-signed by Vladimir Guerrero Jr. The autograph has been certified authentic by James Spence Authentication (JSA) with a numbered JSA sticker and certificate of authenticity verifiable at JSA's official website.

Product Highlights

• Hand-signed by Vladimir Guerrero Jr. — "Vladdy"; Toronto Blue Jays first baseman; 2025 ALCS MVP; five-time All-Star; two-time AL Silver Slugger; Gold Glove; son of Baseball Hall of Famer Vladimir Guerrero Sr.
• Toronto Blue Jays Custom Blue Baseball Jersey with Blue Letters — the tonal blue-on-blue custom format, a unified-shade aesthetic distinct from the standard contrast-lettered Blue Jays jerseys
• JSA Authenticated — numbered JSA sticker and certificate of authenticity verifiable at JSA's official website
• 14-year, $500 million extension (signed April 9, 2025) — largest contract commitment in Blue Jays history; Guerrero remains the franchise's face through 2040
• 2025 postseason: led all MLB in OPS (1.289), total bases (58), RBI (15), extra-base hits (13), runs scored (18); ALCS MVP (3 HR, .385 AVG, 1.330 OPS vs. Seattle); first playoff grand slam in Blue Jays history (ALDS vs. Yankees)
• Father-son history: Guerrero and his father Vladimir Guerrero Sr. are the only father-son duo in MLB history to both hit grand slams in postseason play
• Backed by our Lifetime Authenticity Guarantee

The Blue-on-Blue Format — A Tonal Custom Jersey

Most baseball jerseys are built around contrast — white with navy lettering, navy with white lettering, grey with team-color trim. The blue-on-blue custom format is different. The lettering, numbering, and shell pull into the same shade, producing a unified tonal aesthetic that reads less like a traditional uniform replica and more like a stylized fan-collector piece designed specifically as a signing canvas. For an autographed jersey, that matters: a single-tone backdrop puts the signature itself at the visual center of the piece without contrast-lettering competing for the eye. Guerrero's autograph on a blue-on-blue Blue Jays jersey reads as the focal point of the entire jersey rather than one element among several. For collectors who want the player's name as the dominant visual element of a framed display, the tonal custom is the format built for that purpose.

2025 — ALCS MVP and the World Series Run

The 2025 Blue Jays postseason was the most accomplished playoff run in franchise history since the back-to-back World Series championships of 1992 and 1993, and Guerrero was its engine. He hit a home run in the first inning of Game 1 of the ALDS, then a first-inning grand slam in Game 2 — the first playoff grand slam in Toronto Blue Jays franchise history — against the New York Yankees. Through seven ALCS games against the Seattle Mariners, Guerrero batted .385 with three home runs and a 1.330 OPS, earning the ALCS Most Valuable Player Award as the Blue Jays clinched their first World Series appearance in over three decades. In the 2025 postseason as a whole, no player in all of Major League Baseball had a higher OPS (1.289), more total bases (58), more RBI (15), more extra-base hits (13), or more runs scored (18). The Blue Jays fell in the World Series to the Los Angeles Dodgers, but the postseason established Guerrero as the most complete available offensive performer in the American League when the stakes are highest — and committed to producing that performance in Toronto for fourteen more years.

The Father and the Son — A Legacy in Two Generations

Vladimir Guerrero Sr. won the 2004 AL MVP, hit .318 across his career with 449 home runs, and was inducted into the Baseball Hall of Fame in 2018 — with his son Vladimir Jr. in attendance. In the 2025 ALDS against the Yankees, Vladimir Jr. hit the first playoff grand slam in Blue Jays franchise history — and in doing so became part of the most specific available father-son postseason credential in baseball history: he and his father are the only father-son duo in MLB history to both hit grand slams in postseason play. Vladimir Jr. was signed by the Blue Jays at 16 and has played exclusively for Toronto, committing to the franchise for the next fourteen years — extending the family's baseball legacy into the postseason record books while building his own case for the Hall of Fame his father entered in 2018.

JSA Authentication

This jersey has been certified authentic by James Spence Authentication (JSA). The autograph includes a numbered JSA sticker and certificate of authenticity verifiable at JSA's official website.

Specifications

Authenticity Guarantee

Every signed piece at GameDay Sports Memorabilia is backed by our Lifetime Authenticity Guarantee. If your item is ever determined to be inauthentic, we will replace or refund it — no questions asked.