The starting lineups for both teams have been announced, and they are as follows:
Astros fans will get a look at one of baseball's youngest sensations, as Bryce Harper is batting second for Davey Johnson's Nationals.
Keuchel faces a tough task, as Washington's lineup is fairly potent. Keuchel has also lost each of his last four starts, and has surrendered more than four earned runs in each of those starts.
For the latest on the Houston Astros, be sure to check out the Crawfish Boxes.