MILLWALL take on Premier League Sheffield United at The Den for a place in the fifth round of the FA Cup.
The Lions went to the quarter-finals last season and will be in confident mood against Chris Wilder's side.
Right-back James Brown, 22, starts just his second senior game for Millwall, and first since October 2016.
Billy Mitchell starts in midfield in place of the suspended Shaun Williams and cup-tied Ryan Woods.
Millwall: Bialkowski; Brown, Pearce, Cooper, M Wallace; Mahoney, Mitchell, Molumby, Ferguson; Smith, O'Brien.
Subs: Sandford, Hutchinson, J Wallace, Romeo, Bradshaw, Skalak, Bodvarsson.
Here's the Sheffield United side: