Diamondbacks take rubber game from Nationals

(Photo credit: Geoff Burke-USA TODAY Sports)
Christian Walker hit his 17th home run of the year, Ryne Nelson pitched seven strong innings and the visiting Arizona Diamondbacks beat the Washington Nationals 5-2 on Thursday.

Jake McCarthy had three hits, stole two bases and scored twice, and Randal Grichuk had a two-run double among his two hits as Arizona won the rubber game of the series.

Nelson (5-5) allowed two runs o