PHOENIX, Jun 19 \u2014 Merrill Kelly had a terrific start to go with two home runs from Christian Walker and a grand slam from rookie Buddy Kennedy as the Arizona Diamondbacks<\/a> defeated the Minnesota Twins<\/a>, 7\u20131, Sunday afternoon.<\/p>\n The Twins scored first. Second baseman Luis Arraez led off the game with a double to left, advancing to third on a single by center fielder Byron Buxton. Shortstop Carlos Correa plated Arraez without netting an RBI, grounding into a 6-4-3 double play. Walker, the first baseman, tied the game up with a homer to left, his 17th of the season, in the bottom of the second.<\/p>\n Two more homers extended the Diamondbacks lead. The first came from Walker, who parked one 413 feet in the bottom of the fourth for his 18th dinger of the season. This was the third multi-homer game of Walker\u2019s career. The other came from Pavin Smith, who entered the game on an 0-for-23 lull. A single by Smith in the bottom of the second snapped the hitless streak, and his leadoff homer in the bottom of the fifth made it a 2-for-2 game for Smith. Ultimately, he finished 2-for-4.<\/p>\nGrand Slam Gives Diamondbacks a Commanding Lead over the Twins<\/h3>\n