Parents, grandparents, aunties and uncles have all shared dozens of great pictures of young Blades fans in their beloved United kits.
Click through our second collection of Kids in Kits – we’ll have more over the coming days and weeks. Can you spot your child or anyone you know?
1. SUFC Kids in Kits
Freddie Thorpe, 11, with United striker Billy Sharp. Photo: UGC
2. SUFC Kids in Kits
Ted Bussey, who is 16 months old. Photo: UGC
3. SUFC Kids in Kits
"My United mad boys, Austin and Parker, at the Lane," says mum Jayne Linley. Photo: UGC
4. SUFC Kids in Kits
Lilly-Marie Sutton pictured after her second training session back for the Eckington Belles under nines. Photo: UGC