Parents, grandparents, aunties and uncles have all shared dozens of great pictures of young Blades fans in their beloved United kits.
Click through our gallery to see our first collection of Kids in Kits – we’ll have more over the coming days and weeks. Can you spot your child or anyone you know?
13. SUFC Kids in Kits
Hughie Morley sitting on a rock at Chester Zoo. Photo: UGC
14. SUFC Kids in Kits
Lennon Ward, nine. Photo: UGC
15. SUFC Kids in Kits
Mia Stocks, six, who has been a season ticket holder at Bramall Lane since she was three. Photo: UGC
16. SUFC Kids in Kits
Harley-Joe, 15, and his two-year-old sister, Maggie. Photo: UGC