Click through our photo gallery to see if you can see yourself or somebody you know.
1. Blades fans in 2018
United supporters before the Blackburn Rovers game at Bramall Lane in December 2018. Photo: Simon Bellis
2. Blades fans in 2018
A young United supporter before the home game with Blackburn Rovers in December 2018. Photo: Simon Bellis
3. Blades fans in 2018
United fans during the Blackburn Rovers game at Bramall Lane in December 2018. Photo: Simon Bellis
4. Blades fans in 2018
United supporters tuck into their pre-match fayre before the Blackburn Rovers game in December 2018. Photo: Simon Bellis