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FT: West Ham United 3-4 Tottenham Hotspur - Jessica Naz scores Spurs' fourth
FT: Chelsea 3-1 Manchester United - James scores three for WSL leaders
FT: Manchester City 5-1 Liverpool - Shaw nets hat-trick for hosts
FT: Brighton 3-2 Bristol City - Terland scores in injury time winner after visitors twice come from behind
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The bottom three of Brighton, West Ham and Bristol City are all in action today. Any one of them could be at the foot of the table come 21.00 GMT tonight.
Bristol City travel to Brighton, needing a win by a two goal margin to move above the Seagulls in the table.
A point would definitely get Lauren Smith's side above West Ham, who host Tottenham in the late game.
Image source, OptaChelsea can restore their three point cushion at the top with victory over Manchester United today. Failure to do so will leave the title race looking very tight - especially if Manchester City then beat Liverpool.
From a Manchester United perspective, they need a win today to realistically keep any hopes of a first WSL title alive, surely.
Image source, OptaThere have been two matches already this weekend, as the WSL returns following the winter break.
On Friday night, Aston Villa won 1-0 away to Leicester with Rachel Daly scoring the only goal. Villa's victory was just their fourth in the league this season.
Then on Saturday, Arsenal beat Everton 2-1 to move level on points with Chelsea at the top of the table. Beth Mead, now back to full fitness, scored the winner in first half injury time.
Image source, Getty ImagesChelsea v Manchester United (12:30 GMT)
Adam Millington
BBC Sport at Stamford Bridge
Hannah Hampton makes her second appearance for Chelsea since joining the club in the summer and is in goal for the Blues this afternoon.
There are five changes from the side who beat West Ham in the FA Cup last time out.
Jess Carter, Eve Perisset, Sophie Ingle and Fran Kirby are benched.
Emma Hayes brings in Mia Fishel, Melanie Leupolz, Nathalie Bjorn and Niamh Charles to replace them, with Charles taking the captain's armband.
Chelsea XI: Hampton, Fishel, Leupolz, James, Reiten, Lawrence, Kaneryd, Charles, Cuthbert, Buchanan, Bjorn.
Subs: Musovic, Ingle, Nusken, Carter, Kirby, Perisset, Mjelde, Cankovic, Beever-Jones.
Image source, BBC SportThere's just one change for Manchester United after their FA Cup triumph over Newcastle United last weekend.
Leah Galton comes in for Nikita Parris, who is benched.
There's no place in the squad for Melvine Malard, who has missed training recently, and she's replaced on the bench by Lisa Naalsund.
Manchester United XI: Earps, Le Tissier, Blundell, Toone, Zelem, Galton, Ladd, Riviere, Garcia, Turner, Geyse.
Subs: Tullis-Joyce, Evans, Guerrero, Naalsund, Parris, Williams.
Image source, BBC SportAll kick-off times GMT
Chelsea v Manchester United - 12.30
Brighton v Bristol City - 14.00
Manchester City v Liverpool - 14.30
West Ham v Tottenham - 18.45
Image source, PA MediaAh, the chaotic Sundays of women's football, with games starting everywhere and goals flying in. How we have missed you.
And now they're back, with four Women's Super League games today starting with a humdinger between Chelsea and Manchester United live on the BBC. Strap yourselves in, this should be fun.