B-REF PREVIEW | GAMEDAY | WEATHER | ACB CHAT ROOM Odalis Perez vs. Cubs hitters: .306/.375/.528 in 72 at-bats Ryan Dempster vs. Nationals hitters: .247/.337/.370 in 73 at-bats When and Where: 12:05, CSN locally, MLB.TV for the rest of us 85°, 40% chance of rain, wind blowing straight out at 10 mph. Against Perez, Ramirez is 5-11 with a couple of home runs, Derrek Lee is 3-10 with a couple of doubles and Reed Johnson is 6-10. Soriano is 1-3 with a home run. Christian Guzman is abo...