21. Jak Alnwick
27. Rubin Colwill
38. Perry Ng
18. Alex Robertson
32. Ollie Tanner
47. Callum Robinson
8. Joe Ralls
20. Anwar El-Ghazi
23. Joel Bagan
4. Dimitrios Goutas
12. Calum Chambers
Ethan Horvath
Ronan Kpakio
Jamilu Collins
Andy Rinomhota
David Turnbull
Chris Willock
Cian Ashford
Yakou Meite
Wilfried Kanga
1. Lukas Bornhoeft Jensen
23. George Saville
5. Jake Cooper
25. Romain Esse
24. Casper de Norre
39. George Honeyman
19. Duncan Watmore
18. Ryan Leonard
17. Macaulay Langstaff
15. Joe Bryan
6. Japhet Tanganga
Liam Roberts
Connal Trueman
Dan McNamara
Murray Wallace
Femi Azeez
Daniel Kelly
Ivanovic Mihailo
Alfie Massey
Wes Harding
Cardiff City (4-2-3-1)
21. Jak Alnwick
27. Rubin Colwill
90'38. Perry Ng
18. Alex Robertson
32. Ollie Tanner
80'47. Callum Robinson
62'8. Joe Ralls
20. Anwar El-Ghazi
62'23. Joel Bagan
4. Dimitrios Goutas
12. Calum Chambers
Substitutes
Ethan Horvath
Ronan Kpakio
Jamilu Collins
Andy Rinomhota
80'David Turnbull
90'Chris Willock
62'Cian Ashford
Yakou Meite
62'Wilfried Kanga
Millwall (4-2-3-1)
1. Lukas Bornhoeft Jensen
23. George Saville
75'5. Jake Cooper
25. Romain Esse
24. Casper de Norre
39. George Honeyman
63'19. Duncan Watmore
18. Ryan Leonard
17. Macaulay Langstaff
15. Joe Bryan
6. Japhet Tanganga
Substitutes
Liam Roberts
Connal Trueman
Dan McNamara
Murray Wallace
Femi Azeez
75'Daniel Kelly
Ivanovic Mihailo
63'Alfie Massey
Wes Harding