Tim Hudson turned in another vintage performance to start this season, tossing seven scoreless innings to lead the San Francisco Giants past the Chicago Cubs 4-0 on Tuesday night.San Francisco Giants' Buster Posey hits an RBI fly ball against the Chicago Cubs' during the first inning of a baseball game, Tuesday, May 27, 2014, in San Francisco. Cubs catcher Welington Castillo is catching.San Francisco Giants pitcher Tim Hudson throws to the Chicago Cubs during the first inning of a baseball game, Tuesday, May 27, 2014, in San Francisco.Chicago Cubs' Anthony Rizzo looks back after striking out against the San Francisco Giants during the first inning of a baseball game, Tuesday, May 27, 2014, in San Francisco.Chicago Cubs pitcher Jake Arrieta throws to the San Francisco Giants during the first inning of a baseball game, Tuesday, May 27, 2014, in San Francisco,