Washington Nationals (11-16, third in the NL East) vs. Chicago White Sox (11-15, fourth in the AL Central) Chicago; Saturday, 4:10 p.m. EDT PITCHING PROBABLES: Nationals: Jake Irvin (1-3, 6.00 ERA, 1.29 WHIP, 25 strikeouts); White Sox: Noah Schultz (1-1, 3.86 ERA, 0.96 WHIP, 10 strikeouts) LINE: White Sox -142, Nationals +119; over/under is 8 1/2 runs BOTTOM LINE: The Washington Nationals enter the matchup with the Chicago White Sox after losing three in a row. The White Sox are 11-15 overall and 4-6 at home.