ST. LOUIS — The Dodgers’ offense isn’t quite fixed.

But for one day, at least, it looked less broken than before.

For the first time in almost a week, the Dodgers scored first Sunday, tagged an opposing starter with at least three runs … and, oh yeah, actually won a game, too, beating the Cardinals 4-1 to snap a four-game losing streak and avoid a series sweep at Busch Stadium.

Dodgers pitcher Justin Wrobleski earned the win Sunday, going six innings and scattering six hits. Getty Images

A tour de force, this was not.

For the sixth straight game , the Dodgers (21-13) failed to hit a home run. For a second consecutive day, they also bounced into four double plays.…