Unless I'm missing something, this seems like more Fanatics bull$hit. Cut up some unsold retail jerseys and pretend they're special : r/baseballcards
2023 Topps Chrome® Update Series Baseball - Hobby Jumbo Box - PRE-ORDER
MLB Stories - MLB Debut Patch
Yankees add advertising patch to jersey sleeves, worth reported $25 million a year
Fanatics Collectibles, MLB, MLB Players Inc. Unveil First-Ever Memorabilia Patch Created Specifically for Trading Cards — Fanatics Inc
New Dodger Yoshi Tsutsugo, released by Rays, seeks swing fix - Los Angeles Times
The Uni Watch 2023 MLB Season Preview - by Paul Lukas
2021 Topps Traded and Update Series Baseball Unopened Blaster Box of Packs with 99 Cards including One EXCLUSIVE 70th Anniversary Patch and Possible Rookies Autographs and Jersey Cards : Collectibles
MLB unveils youthful, colorful uniforms as part of Players Weekend
2021 Topps Update Baseball EXCLUSIVE Factory Sealed Blaster Box with 98 Cards & SPECIAL 70th Anniversary PATCH RELIC! Loaded with Rookies & Inserts! Look for Autos, Relic & Printing Plate! WOWZZER!
The San Francisco Giants wore Pride colors on the field in an MLB first
MLB Jerseys' to Feature Corporate Sponsor Logos for First Time Ever In 2023
MLB Stories - MLB Debut Patch
MLB players to wear official debut uniform patches - ESPN
MLB Debut Patch Debuts from Fanatics, MLB and MLBPA