And that's pretty much it.  Two rainouts limited the affiliates tally to a 1-3 night on the farm. Sacramento 5 Las Vegas 2Las Vegas, NV - It was a less than stellar outing for lefty David Purcey overall.  He worked a one-two-three first but had to strand two runners in the second and three in the third.  His luck ran out in the fourth as the A's affiliate used a single, double, a ground out and a sacrifice fly to score a couple of runs.  Purcey worked a one-hit fif...