Jayson Werth is out of the lineup Friday against San Francisco.

Werth is out of the lineup Friday against San Francisco.

Analysis:

Werth will take a seat Friday with right-hander Matt Cain on the mound for the Giants. His struggles at the plate have continued in August as he has collected just five hits in 42 at-bats. Clint Robinson will take over in left field for the Nationals on Friday.