SportsDope

Upton helps Arizona win eighth straight (AP)

The Arizona Diamondbacks keep knocking around NL West foes, with the kid leading the way. Justin Upton went 3-for-3 with four RBIs, including a three-run home run, to power the Diamondbacks to their eighth consecutive victory Saturday, a 10-3 romp over the Colorado Rockies. The 20-year-old outfielder, the first overall pick in the 2005 draft, boosted his average to .415, including five home runs…