Astros-Nationals Lines Preview

The Washington Nationals will be trying to extend a winning streak on Tuesday when they take on the Houston Astros at Nationals Park. Ace Roy Oswalt will be the starting pitcher for the Astros on this day. Righthander Oswalt is 0-2 this season with a 3.82 ERA. Starting this game for the Nationals will be ace Scott Olsen. The lefthander has a 6.07 ERA to go along with a 1-3 record this season. Oddsmakers currently have the Astros listed as 138-moneyline favorites versus the Nationals, while the game's total has not yet been posted. Elijah Dukes went 3-for-5 with three runs batted in, as the Nationals dumped the Astros 9-4 on Monday night. Washington cashed as -145 home favorites as the game played over the 9.5-run total listed by oddsmakers. Ryan Zimmerman was 4-for-4 with two RBIs for the Nationals, while winning pitcher John Lannan allowed three earned runs over six innings for Washington. Kaz Matsui went 2-for-3 with two RBIs for Houston, as Wesley Wright was tagged with the loss in relief of starter Brian Moehler for the Astros. Current streak: Washington has won 2 straight games. Team records: Houston: 11-15 SU Washington: 7-17 SU Houston most recently: When playing on Tuesday are 3-7 Before playing Chi Cubs are 7-3 After playing Washington are 6-4 After a loss are 5-5 Washington most recently: When playing on Tuesday are 3-7 Before playing LA Dodgers are 2-8 After playing Houston are 3-7 After a win are 3-7 A few trends to consider: The total has gone OVER in 4 of Houston's last 5 games when playing Washington The total has gone OVER in 4 of Houston's last 5 games when playing on the road against Washington The total has gone OVER in 4 of Houston's last 6 games on the road Houston is 6-3 SU in its last 9 games on the road The total has gone OVER in 4 of Washington's last 5 games when playing Houston The total has gone OVER in 4 of Washington's last 5 games when playing at home against Houston The total has gone UNDER in 5 of Washington's last 7 games at home Washington is 7-3 SU in its last 10 games when playing at home against Houston Next up: Houston home to Chi Cubs, Wednesday, May 6 Washington at LA Dodgers, Wednesday, May 6