Stephen Strasburg allowed two hits over six innings, Ryan Zimmerman hit a grand slam and the Washington Nationals beat the San Diego Padres 8-3 for their third straight victory.
Wilson Ramos also homered for the Nationals, who are chasing the first-place New York Mets in the NL East.
Strasburg (8-6) struck out seven and walked one. The right-hander retired the final 15 batters he faced. Strasburg is 5-1 with a 1.51 ERA in his last seven starts and 5-1 in his career against the Padres.
Zimmerman connected in the sixth off Bud Norris for an 8-2 lead. It was his fifth career slam, the first since 2013.
Jedd Gyorko homered twice but San Diego lost its second straight after five consecutive wins.
James Shields (9-6) gave up four runs, eight hits and four walks in 5 2/3 innings. San Diego has lost 12 of his 15 starts since June 9.
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