Arsenal will look to arrest their slump in Premier League form when Crystal Palace visit the Emirates at lunchtime.
A win for Mikel Arteta’s side would see them move within two-points of leaders Liverpool.
At 5.30, Nottingham Forest go to a woefully out of form Brentford.
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((Swa v Sou 1230, Others 1500))
Hull are in the Championship Play-Off zone this morning.
They won 1-0 at promotion rivals Sunderland.
Southampton will move into the automatic promotion places on goal difference if they win away at Swansea this lunchtime.
They'll move above second-placed Ipswich, who aren't in action.
West Brom's play-off charge takes them to Norwich, while Coventry can move back into the top six if they beat struggling Sheffield Wednesday.
Watford go to Bristol City - who knocked out Premier League opposition in the FA Cup in midweek - Middlesbrough take on bottom side Rotherham, Cardiff go to Plymouth, and there's a London derby between relegation-threatened QPR and Millwall.
Elsewhere, Stoke play Birmingham, and Blackburn meet Huddersfield.
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((Spa v Hea 1215, Dum v Ran 1730, Others 1500))
Aberdeen made it safely through to the Scottish Cup fifth round last night.
They beat League Two Clyde 2-0.
34-time champions Rangers are out to avoid a shock exit away at Dumbarton this evening.
There's a pitch inspection at 1 o'clock this afternoon ahead of that match.
Before then, an Edinburgh derby takes place when Spartans host Premiership side Hearts.
Hibs are away at Forfar in one of twelve 3 o'clock kick-offs.
Inverness welcome Lowland League side Broomhill, League One leaders Falkirk travel to Bonnyrigg Rose, and Motherwell take on Alloa among the day's other fourth round ties.