Lonestar and suffolk put up the most accurate mls according to a study done.With aquaduct,hollywood and keeneland close behind.Among the worst are hoosier park and fort erie.Bad mls are a good thing for handicappers and the way to exploit them is through pick 3's and 4's were picks are made in advance and quite a few people just put the top contenders according to the ml in their 3rd and 4th legs.