Most signatures on a piece of sports memorabilia
- Who
- Minor League Baseball
- What
- 6.750 total number
- Where
- United States (New York)
- When
- 29 July 2025
The most signatures on a piece of sports memorabilia is 6,750, and was achieved by Minor League Baseball (USA) as verified in New York, New York, USA, on 29 July 2025.
The attempt took place across 15 different MiLB ballparks and concluded at MLB HQ in New York City.