Goals from Patrick Bamford and Kike Garcia secured a 2-0 win for Aitor Karanka’s side against Manuel Pellegrini’s reigning Premier League champions. Scroll down and flick through our picture gallery to see the Boro team which played that day and what has happened to them all since:
5. LB: George Friend
Into his eighth season at Boro after joining the Teessiders in 2012. Has been hampered by injuries this campaign. Photo: OLI SCARFF
6. CM: Adam Clayton
Has been a regular in Boro's midfield since signing for the club in 2014. Photo: OLI SCARFF
7. CM: Grant Leadbitter
Rejoined boyhood club Sunderland last January but has fallen down the pecking order at the Stadium of Light. The midfielder has started four of the Black Cats' last five games on the bench. Photo: OLI SCARFF
8. RW: Albert Adomah
After helping Aston Villa win promotion to the Premier League last year, Adomah joined Nottingham Forest in the summer. The winger has been a fringe player for Sabri Lamouchi's side, though, with most of his appearances coming off the bench. Photo: Alex Livesey