The reigning European champions forked out €35m (£31m/$40m) plus a season-long loan move for Mateo Kovacic to Stamford Bridge.
Courtois, who has been with the Roman Army since 2011 was named best goalkeeper at the 2018 Fifa World Cup Russia.
Here is how social media have reacted to the 26-year-old’s move, with many tipping Barcelona’s Lionel Messi to score goals aplenty when they face Madrid.
https://twitter.com/TetoBarca_/status/1027278605905215488
Welcome back sir @thibautcourtois pic.twitter.com/3pqjs6N7cu
— Messi 🇫🇷 (@FranciaMessi) August 8, 2018
https://twitter.com/MessiWorId/status/1027279951043719169
i knew we'd sign Courtois after Messi put the ball between his legs multiple times
— Jon K (@DonJonPablo) August 8, 2018
https://twitter.com/HazardFIicks/status/1027278053196656640
https://twitter.com/MessiZoneV3/status/1027279362746470400
https://twitter.com/Thacarter228/status/1027291789739388928
https://twitter.com/A7mds10/status/1027291786723713031
https://twitter.com/kingboluwatife/status/1027292293102018564
News: Courtois joins Real Madrid!
Messi's wife: pic.twitter.com/HE9woG7LNu— Gaa (@gaa_jp) August 8, 2018
