(AP) -- The San Francisco Giants' slump is largely due to the struggles of their starting pitchers, and Ryan Vogelsong may need to turn things around quickly before he loses his spot in the rotation.
He'll face a Washington Nationals team that has struggled offensively of late in the opener of a three-game series Monday night in San Francisco.
The Giants (24-20) lost five of six on their road trip with the starters posting a 9.82 ERA while allowing at least five runs in each contest. The club wasn't much better at the plate in a 5-0 loss to Colorado on Sunday.
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