The Worst July Record over the Last 10 Years Belongs to...
The Coloado Rockies at 105-164 for a fade percentage of 61.0%
Keep in mind however that one of the prinary reasons for this is that the Rocks have traditionally had awful pitching, and this is the time of year when early-season bullpen abuse starts to take its toll. However, Colorado actually has some live arms this year, so will there be another July swoon? Stay tuned.