Dartford have sacked manager Alan Dowson after a poor run of results. The Darts sit 16th in National League South – seven points from the play-offs and 10 points above the relegation zone with 34 points from 27 matches. They’ve won just one of their last seven matches – at neighbours Welling on Boxing Day – and have dropped a staggering 21 points from winning positions, including Dowson’s last game in charge, a 2-1 loss at Maidstone on Tuesday night. A statement from Dartford said: “Our current league is competitive and unforgiving. Sometimes results simply don’t reflect the amount of effort a…