Source: No MLB Postseason Patch on Caps or Jerseys in 2021

How the New Wild Card Format Will Change MLB's Postseason - The New York Times

New uniforms celebrate special events

This is the patch for the 2021 MLB World Series logo. Designed for commemorative, nostalgic display, and collection. The patch comes fully packaged

2021 MLB World Series Logo Embroidered Jersey Patch Houston Astros Atlanta Braves

MLB debut patches, explained: Why Anthony Volpe, Jordan Walker, other rookies have special logo on jerseys

MLB giving Roberto Clemente Award winners new patch for caps - ESPN

Fanatics has fresh deals for new Detroit Tigers sportswear to kick of MLB spring training

Sponsor patches on MLB jerseys are more than what they seam

Yankees rookie Albert Abreu was steady, but with a few terrible outings - Pinstripe Alley

MLB, clubs to observe September 11 remembrance

Mariners City Connect uniforms unveiled

Ranking MLB's City Connect uniforms - ESPN

MLB finalizes details around jersey ad patches

Gabe Kapler: MLB's liberal jock in America's most conservative league, San Francisco Giants

MLB 2021: What's New in Logos and Uniforms – SportsLogos.Net News

Mississippi State Baseball Uniform History - Hail State Unis