Colorado Rockies (15-57, fifth in the NL West) vs. Washington Nationals (30-42, fourth in the NL East) Washington; Tuesday, 6:45 p.m. EDT PITCHING PROBABLES: Rockies: Antonio Senzatela (1-10, 7.23 ERA, 2.03 WHIP, 35 strikeouts); Nationals: Mike Soroka (3-4, 5.14 ERA, 1.12 WHIP, 40 strikeouts) BETMGM SPORTSBOOK LINE: Nationals -201, Rockies +166; over/under is 9 1/2 runs BOTTOM LINE: The Washington Nationals aim to break their six-game home slide with a win against the Colorado Rockies. Washington has gone 15-22 in home games and 30-42 overall. The Nationals have a 21-5 record in games when they have more hits than their opponents. Colorado is 15-57 overall and 8-30 on the road. The Rockies have