Arsenal were grateful to one of their substitutes yet again when Alexandre Lacazette scored the decisive goal against West Ham United on Saturday.
For more on this and all the must-know facts for Matchweek 29, read below. To see the key data from the matches, click on the results.
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Liverpool are unbeaten in their last 10 Premier League matches at Anfield when they have conceded first, winning seven and drawing three.
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Since the start of last season, Arsenal have scored 16 Premier League goals via substitutes, the most in the competition, with Lacazette getting four.
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Jordan Ayew's 24th Premier League goal came in the 28th minute, his earliest strike in the competition.
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Dean Henderson has kept 10 clean sheets this season, becoming the 11th goalkeeper under the age of 23 to reach double figures, and the fourth Englishman to do so after Joe Hart, Scott Carson and Jack Butland.
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Alex McCarthy is the first Southampton goalkeeper to save a penalty at St Mary's in the Premier League since Kelvin Davis against Manchester United in September 2012, 2,743 days previously.
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Seven of the last nine league meetings between Wolverhampton Wanderers and Brighton & Hove Albion at Molineux have ended as draws, with last season's encounter there also finishing goalless.
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Chris Wood's 11th Premier League goal this season is his best return. He is only the third Burnley player to score more than 10 goals in a Premier League campaign after Ashley Barnes' 12 last season and Danny Ings' 11 in 2014/15.
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Chelsea used three 18-year-olds in this match - Billy Gilmour (pictured), Faustino Anjorin and Armando Broja. They became the first team to field three players aged 18 or younger in the same PL fixture since May 2016, when West Bromwich Albion did so against Liverpool.
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Anthony Martial became the first Manchester United player to score home and away against Manchester City in the same Premier League campaign since Cristiano Ronaldo in 2006/07.
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Leicester City have scored 4+ goals home and away against the same side in a top-flight season for the first time since the 1967/68 campaign versus Southampton.
