Complex sentence: On 1st July, Chelsea and Nike unveiled their new kits for the 2017-18 season in the refurbished megastore.On 1 July Chelsea also announced that Willy Caballero was joining Chelsea on a free transfer from Manchester City.
Split into simpler sentences: On 1st July, Chelsea and Nike unveiled their new kits for the 2017-18 season in the refurbished megastore. On this day, Chelsea also announced the signing of Willy Caballero on a free transfer from Manchester City.