Here's how the Blues line up against the Lions at Roots Hall in Sky Bet League One...
SOUTHEND XI | Oxley, White, Barrett (c), Thompson, Coker, Demetriou, Atkinson, Leonard, McGlashan, McLaughlin, Mooney.SUBS | Smith, O'Neill, Cox, King, Bridge, Kyprianou, Inniss
MILLWALL XI | Archer, Martin, Craig, Williams, Worrall, Romeo, Butcher, Webster, Ferguson, Morison, O'Brien.
SUBS | King, Thompson, Gregory, Onyedinma, Wylde, Nelson, Abdou.