SAN DIEGO, Sept. 9 (UPI) --
Chase Headley's seventh-inning grand slam Sunday secured the San Diego Padres' 8-2 victory over Arizona.
Chris Denorfia and Carlos Quentin each cracked solo homers and scored two runs as the Padres built a 4-1 lead in the seventh -- then Headley's bases-loaded shot doubled the advantage.
Andrew Werner (2-1) earned the victory in his fourth career start, pitching 6 1/3 solid innings while allowing one run on four hits. He struck out six.
Arizona's Patrick Corbin (5-7) took the loss, giving up three runs on six hits over 5 1/3 innings.
Jason Kubel and Gerardo Parra drove in runs for the D-backs, who dropped two of their three games with the Padres.
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