Nottingham Forest have won 37 points in 19 Premier League games this season, an improvement of 20 points from their total at this stage last season (17). Two of the last three teams with a 20+ point improvement at the halfway stage in consecutive seasons have then won the league – Chelsea in 2016-17 & Leicester City in 2015-16. #WOLNFO | #NFFC [@OptaJoe]