D'backs 5, Nationals 1
WASHINGTON — Trevor Cahill took a four-hit shutout into the eighth inning en route to handing the Nationals their fifth straight loss. Bryce Harper went 0-for-3 in his home debut for Washington. The No. 1 pick in the 2010 draft is 2-for-9 since being recalled from the minors Saturday. After Cahill's 7⅓ innings, Diamondbacks starters are 4-0 with a 1.30 ERA in the past five games. Justin Upton had two hits and two RBIs for Arizona.