Pete Alonso Memorabilia

Pete Alonso Autographed Memorabilia

Pete Alonso arrived in Major League Baseball swinging for the fences and has not stopped since. Known as the "Polar Bear" for his massive power and larger-than-life personality, Alonso burst onto the scene with the New York Mets in 2019 and immediately rewrote the record books — smashing 53 home runs to set a new MLB rookie record, surpassing Aaron Judge's mark of 52, and claiming the NL Rookie of the Year award in the process. That debut season announced a new kind of slugger: a first baseman from the University of Florida with tape-measure power, a charismatic presence, and an infectious enthusiasm that made him a fan favorite at Citi Field from day one.

The Home Run Derby has become Alonso's personal showcase. He is a three-time champion of the event — winning in 2019, 2021, and 2023 — the most victories in the history of the competition. His Derby performances have become must-watch television, with towering blasts that routinely clear 450 feet and a flair for the dramatic that has made him the sport's most exciting power hitter in the midsummer spotlight. Combined with over 200 career home runs, two All-Star selections, and consistent run production at the heart of the Mets lineup, Alonso has established himself as one of the premier sluggers in today's game.

After spending his first six seasons with the Mets, Alonso signed a new deal to remain in New York as a free agent in 2025, signaling his commitment to the franchise and its fans. At just 30 years old, Alonso has decades of production potentially ahead of him, with realistic paths to 400 or even 500 career home runs if he maintains his current trajectory. His combination of elite power, postseason experience, and genuine connection with the fanbase makes him one of the most collectible active players in baseball.

Browse our full collection of authenticated Pete Alonso memorabilia including trading cards, signed baseballs, autographed bats, signed photos, and autographed jerseys. Every item ships with a certificate of authenticity and tamper-evident hologram, backed by our 60-day return policy.

Why Collect Pete Alonso Memorabilia?

Alonso is an active player still building his legacy, which means his memorabilia offers the opportunity to collect at current market prices before his career totals reach their peak. He already holds the MLB rookie home run record (53), owns the most Home Run Derby titles in history (3), and has surpassed 200 career home runs. As a franchise cornerstone for the Mets who signed on as a free agent in 2025, his connection to New York — one of the largest sports markets in the world — amplifies his collectibility. For Mets fans, the Polar Bear is the face of the franchise. For baseball collectors, Alonso represents an investment in a slugger whose best years and biggest milestones may still be ahead of him.