WASHINGTON (Reuters) - The Arizona Diamondbacks strengthened their starting pitching for the stretch drive by acquiring right-hander Livan Hernandez from the Washington Nationals on Monday.

Livan Hernandez was traded by the Washington Nationals to the Arizona Diamondbacks on Monday for a pair of minor league pitchers. The 31-year-old Hernandez is 9-8 this season with a career-high 5.34 ERA in 24 starts.

Washington Nationals ace Livan Hernandez was traded to the Arizona Diamondbacks on Monday for a pair of minor league pitchers. Hernandez, 31, is 9-8 this season with a career-high 5.34 ERA in 24 starts.