straight to your inboxA forgotten friendly between Manchester United and Sheffield United proved the starting inspiration for the club's new third kit, which was revealed this morning.The new black and white striped kit with red detailing was unveiled by Adidas to complete United's collection of shirts for the new 2020/21 season.And the shirt has a special recognition on the inside of the collar to recognise United's 110th year of playing at Old Trafford, with a similar design to the plaque at