 All-star team rookie Mitchell Parker starts against St. Louis at 4.05 this afternoon on 1500 AM. For more on how the pitching is at a premium in the NL East race, as well as which games to watch and miss this week, check out the new Nationals notebook on the sports page at WTOP.com, where we deliver our Diamonds Direct Diamond King. Jesse Winker hit .421 last week while scoring eight runs and driving in four. He also hit that