Sittingbourne boss Ryan Maxwell believes 3G pitches are worth an extra 12-15 points a season. Maxwell shared his opinion on artificial surfaces after the Brickies’ Isthmian South East home game against Sevenoaks on Saturday was called off due to a frozen pitch. It was their second postponement in five days after the midweek trip to Littlehampton also fell victim to the weather. Maxwell feels clubs with 3G pitches have an advantage over those with grass, particularly at this time of year. He said: “The 3G is a huge plus in these circumstances because you’re getting your home games constantly on…