Arsenal have never failed to score in 17 home league matches against Crystal Palace, netting 39 in total, at an average of 2.3 a match.
The Gunners have scored in each of their last 25 home Premier League matches, their longest run since scoring in 29 in a row between April 2007 and November 2008.
Burnley have won one of their last 24 matches against Manchester United in all competitions (D10 L13), a 1-0 win in the Premier League in August 2009.
In 1996, Man Utd were 12 points behind PL leaders Newcastle United after 23 matches, but went on to lift the title. United are 12 points behind Manchester City.
Man Utd are unbeaten in their last five away PL matches (W4 D1), scoring at least twice each time.
Leicester City have won seven of their last nine home league matches, including play-offs, against Watford (D1 L1), beating them in each of the last two in the Premier League.
The Foxes have kept a clean sheet in their last two PL matches. They last went three without conceding between March and April 2016, just before wining the title, when they had a run of five.
Watford's 23 PL matches this season have featured 75 goals (33 for Watford, 42 against). Only matches featuring Manchester City, with 84, and Liverpool, with 82, have had more.
Manchester City are unbeaten in 20 Premier League matches against Newcastle United (W17 D3), their longest unbeaten run against a side in their league history.
Newcastle United can win three back-to-back PL away matches for the first time since December 2001.
Southampton are winless in five home matches against Tottenham Hotspur since returning to the Premier League in 2012 (D1 L4).
Liverpool have scored at least twice in each of their last six Premier League away matches, one short of their record of seven in the competition, between February and May 2014.