Walters came to Washington in a seemingly minor 2011 trade that sent Jason Marquis to Arizona. He was turned into Cabrera.
On the season, he has only three home runs and eight doubles over 46 games.
Gio Gonzalez vs. Cliff Lee.
The Nationals filled their infield hole by acquiring Asdrubal Cabrera for the Indians for Zach Walters.
Danny Espinosa is starting at second base for the fifth straight day.
Only two hitters in baseball have more walks than Span's 16 this month.
The circumstances this season and broadly have made the trade deadline a fascinating moment for the Nats.
The Nationals have refused to reveal Ryan Zimmerman's timetable for recovery, which could be a factor in their trade options.
Tanner Roark vs. Brad Hand.
The right field returns after not starting Tuesday. He sprained his right ankle on Monday.