Ryan Zimmerman grand slam sparks Washington Nationals over Padres WASHINGTON, July 7 (UPI) -- Ryan Zimmerman cracked a grand slam and Anthony Rendon also homered en route to three RBI Sunday in Washington's series-sweeping 11-7 win over San Diego. Zimmerman's bases-loaded blast highlighted a six-run third inning that gave the Nats a 7-1 lead. The Washington third baseman has racked up 12 RBI in his last 10 games. Rendon supplied a two-run homer and an run-scoring single while Bryce Harper went 3-for-4 with an RBI as the Nationals reeled off a fourth straight victory overall. Stephen Strasberg (5-6) allowed four runs on seven hits over six innings to record the victory. Padres starter Robbie Erlin (1-2), meanwhile, was lit up for nine runs on six hits over four full frames. Alexi Amarista went 3-for-5 with a two-run homer and three RBI while Chase Headley also provided three hits and drove in a run for San Diego, which dropped a ninth straight contest.