It was a coronavirus outbreak in the Watford squad that led to the game being called off initially in December. Now it's a shortage of players at Burnley that has seen the league agree to postpone their attempt to play on Tuesday.
It is the 22nd time a Premier League game has been postponed since December.
Burnley are a point behind Newcastle United but having played three games fewer. Norwich, which are two points off last place, have played four games more than Burnley.
Teams like leaders Manchester City have played 22 matches, while Burnley have played 17.