Most Expensive Rookie Debut Patch Cards: Every $1 Million Sale, Led by Flagg

The most expensive Rookie Debut Patch card is Cooper Flagg's 1-of-1 NBA Debut Patch Autograph, which sold for $8,040,000 at Fanatics Collect on September 25, 2026. Five Rookie Debut Patch cards have now passed $1 million, and four of them sold in the same week. Below is every top sale we could confirm, what these cards are, and how collectors check that a patch is real.

Current as of October 4, 2026. Prices are public auction results as reported by the auction house, buyer's premium included where the house reports it.

What Is a Rookie Debut Patch Card?

A Rookie Debut Patch Autograph, or RDPA, is a 1-of-1 card with a player's autograph and the patch they wore on their uniform in their first big-league game, per Topps. Topps introduced the Debut Patch with MLB for the 2023 season, per ESPN, and the first cards came in 2023 Topps Chrome Update baseball, with 91 RDPAs that year, per Topps.

• Baseball: the cards come in Topps Chrome Update, not flagship Topps Update. Each card has a hologram code on the back that you can check at mlb.com/authentication, per Topps
• Basketball: the NBA version arrived in 2025-26 Topps Chrome Updates Basketball, released August 6, 2026, which Topps called a first for the program. The patch comes from each player's first NBA game
• Other sports: Topps also makes MLS Debut Patch Autographs, per Topps, and UEFA says its new Champions League debut patch becomes a signed 1-of-1 Topps card from 2026/27. Our UEFA debut patch report has the details

"If that player becomes the next Willie Mays, you have the most special 1-of-1 card," MLB's director of authentication Michael Posner told Front Office Sports in September 2025.

The Most Expensive Rookie Debut Patch Cards Ever Sold

1. Cooper Flagg, 2025-26 Topps Chrome Update NBA Debut Patch Auto, PSA 10, auto 10: $8,040,000

• Sale: Fanatics Collect September Premier, September 25, 2026, after 83 bids
• Why it matters: the most expensive single-player basketball card, per ESPN. Our Flagg report has the full story

2. Dylan Harper, 2025-26 Topps Chrome Update NBA Debut Patch Auto, PSA 9, auto 10: $2,880,000

• Sale: Fanatics Collect, September 25, 2026, after 57 bids
• Why it matters: it outsold the PSA 10 Knueppel despite a PSA 9 card grade, per Heavy. Our take: on a 1-of-1, the player counts for more than the grade

3. Kon Knueppel, 2025-26 Topps Chrome Update NBA Debut Patch Auto, PSA 10, auto 10: $2,340,000

• Sale: Fanatics Collect, September 25, 2026, after 62 bids
• Why it matters: the third NBA debut patch past $2 million in the same auction

4. Paul Skenes, 2024 Topps Chrome Update MLB Debut Patch Auto, PSA 10, auto 10: $1,110,000

• Sale: Fanatics Collect March Premier, March 2025, after 64 bids. Fanatics Collect said it would donate its own proceeds to LA fire relief, per the lot page
• Why it matters: still the baseball RDPA record and the first RDPA past $1 million, per Baseball America. The previous high was $150,000, per ESPN

5. Pete Crow-Armstrong, 2024 Topps Chrome Update MLB Debut Patch Auto, PSA 10, auto 10: $1,098,000

• Sale: Goldin, after 30 bids, a $900,000 winning bid plus a 22 percent buyer's premium, per the lot page. The auction closed late on September 29, 2026, per Baseball America
• Why it matters: $12,000 short of the Skenes record. The patch is from his September 11, 2023 debut at Coors Field

6. Nick Kurtz, 2025 Topps Chrome Update MLB Debut Patch Auto: $516,000

• Sale: Fanatics Collect January Premier, January 23, 2026, after 44 bids, $430,000 plus a 20 percent premium
• Why it matters: Baseball America called it the second-highest RDPA sale at the time. It sold authenticated but not graded, per the lot page

7. Cavan Sullivan, 2025 Topps Chrome MLS Rookie Debut Patch Autograph: $324,000

• Sale: Alt, September 4, 2026, still in its factory-sealed Topps encasement, per the lot page
• Why it matters: the most expensive MLS card ever sold, per Topps. Sullivan made his Philadelphia Union debut at 14 years and 293 days old, per Topps

8. Jackson Holliday, 2024 Topps Chrome Update MLB Debut Patch Auto, raw: $198,000

• Sale: Fanatics Collect, March 2025, after 43 bids
• Why it matters: the No. 1 overall prospect at his April 10, 2024 debut, sold in the same auction as Skenes

Why Rookie Debut Patch Cards Sell for So Much

• One card per player. Every RDPA is a 1-of-1, so there is no population to compare and no second copy to wait for.
• A real moment. The patch was on the field for the player's first game. "The milestone matters because a player only makes their debut once," Bleecker Trading owner Matt Winkelreid told Topps' Ripped in September 2026.
• The player's career. Our take: prices follow performance. Crow-Armstrong's card sold after a 40-homer, 40-steal season, per SI, and the NBA cards sold for stars of the 2025 draft class.
• Big auctions, big bidders. Flagg, Harper and Knueppel together brought $13.26 million in a single Fanatics Collect auction, per Heavy, and Yahoo Sports counted four RDPAs past $1 million in a single week.

How to Check a Debut Patch Is Real

• MLB: an authenticator puts the patch on the uniform and watches it through the game. Afterward it gets a tamper-proof hologram and goes to Topps, per Front Office Sports. The hologram code on the card back can be looked up at mlb.com/authentication, per Topps.
• NBA: the patch carries authentication stickers that show through a window on the card back, and the number can be checked in CGC's certification database, per Yahoo Sports.
• Grading: the five million-dollar cards each carry two PSA grades, one for the card and one for the autograph. Kurtz, Holliday and Sullivan sold ungraded. Our guide on whether PSA grading is worth it explains what each grade adds.

Frequently Asked Questions

What is the most expensive Rookie Debut Patch card?

Cooper Flagg's 2025-26 Topps Chrome Update NBA Debut Patch Autograph, which sold for $8,040,000 at Fanatics Collect on September 25, 2026.

What is the most expensive MLB Rookie Debut Patch card?

Paul Skenes' 2024 Topps Chrome Update MLB Debut Patch Autograph, which sold for $1,110,000 at Fanatics Collect in March 2025. Pete Crow-Armstrong's sold for $1,098,000 at Goldin in September 2026.

How many Rookie Debut Patch cards are made per player?

One. Every Rookie Debut Patch Autograph is a 1-of-1 card, per Topps.

Which product has Rookie Debut Patch cards?

In baseball, Topps Chrome Update. In basketball, 2025-26 Topps Chrome Updates Basketball, released August 6, 2026.

Where to Go From Here

A 1-of-1 debut patch is a once-per-player card, so most of the hobby follows these sales as news rather than as a chase. If you want to open real, vaulted cards yourself, the Polkastarter marketplace gives you a free mystery pack when you sign up, and every Lootbox lists its contents, values, and chances before you open.

Details checked October 4, 2026. Prices are past auction results and change over time. Nothing here is financial advice. Polkastarter is not affiliated with Topps, Fanatics, Goldin, MLB, the NBA, PSA or the other companies named.

Sources

• Topps Ripped: Rookie Debut Patch FAQ, undated (2023 product page), accessed October 4, 2026
• UEFA: Champions League debut patch to be introduced for 2026/27, published September 2, 2026, accessed October 4, 2026
• Yahoo Sports: 2025-26 Topps Chrome Updates release guide, published August 5, 2026, accessed October 4, 2026
• Topps Ripped: Rookie Debut Patch Autograph cards in 2025-26 Topps Chrome Updates Basketball, published August 6, 2026, accessed October 4, 2026
• Fanatics Collect: Cooper Flagg NBA Debut Patch Auto PSA 10, sold September 25, 2026, accessed October 4, 2026
• ESPN: Cooper Flagg's rookie debut patch card sells for record $8.04 million, published September 25, 2026, accessed October 4, 2026
• Fanatics Collect: Dylan Harper NBA Debut Patch Auto PSA 9, sold September 25, 2026, accessed October 4, 2026
• Fanatics Collect: Kon Knueppel NBA Debut Patch Auto PSA 10, sold September 25, 2026, accessed October 4, 2026
• Heavy: Spurs star Dylan Harper's rookie card sells for $2.88 million in historic auction, published September 25, 2026, accessed October 4, 2026
• Fanatics Collect: Paul Skenes MLB Debut Patch Auto, sold March 2025, accessed October 4, 2026
• ESPN: Rare rookie card of Pirates' Paul Skenes fetches $1.11M at auction, published March 21, 2025, accessed October 4, 2026
• Baseball America: Pete Crow-Armstrong Topps MLB Rookie Debut Patch sells for $1.098 million, published September 30, 2026, accessed October 4, 2026
• Goldin: Pete Crow-Armstrong MLB Debut Patch Autograph PSA 10, closed September 29, 2026, accessed October 4, 2026
• SI Collectibles: Pete Crow-Armstrong MLB debut patch card breaks $1 million, published September 30, 2026, accessed October 4, 2026
• Fanatics Collect: Nick Kurtz MLB Debut Patch Auto, sold January 23, 2026, accessed October 4, 2026
• Baseball America: Nick Kurtz's Topps Rookie Debut Patch sells for $516K, published January 23, 2026, accessed October 4, 2026
• Alt: Cavan Sullivan 2025 Topps Chrome MLS Rookie Debut Patch Autograph, sold September 4, 2026, accessed October 4, 2026
• Topps Ripped: Cavan Sullivan cards to collect, published September 16, 2026, accessed October 4, 2026
• Fanatics Collect: Jackson Holliday MLB Debut Patch Auto, sold March 2025, accessed October 4, 2026
• Yahoo Sports: The ultimate grail, what's driving seven-figure sales for Rookie Debut Patch Autograph cards, published October 2, 2026, accessed October 4, 2026
• Front Office Sports: The tiny jersey patch at the center of the MLB rookie card hunt, published September 13, 2025, accessed October 4, 2026
• Topps Ripped: The biggest rookie cards in The Hobby, Cooper Flagg and the power of the RDPA, published September 28, 2026, accessed October 4, 2026