Manchester United's Carrington training ground has undergone a £50 million upgrade, featuring a range of new facilities. BBC Sport reports on the improvements, which include a barber shop, enhancements related to Formula 1 principles, and the installation of smart toilets. The investment aims to provide players and staff with a state-of-the-art environment to optimize performance and well-being. The upgrades reflect Manchester United's commitment to maintaining a competitive edge through infrastructure and player support.