MILWAUKEE (AP) – Milwaukee Brewers manager Ron Roenicke put it very bluntly after his team lost 10-1 Sunday to the St. Louis Cardinals.   It was the Cardinals’ first four-game sweep of the Brewers, Coming into the series, the Brewers trailed the first-place Cardinals by 1  1/2 games in the National League Central. Following the win on Sunday, the Cardinals’ lead jumped to 5  1/2 games.  ”We played a bad series,” he said. “We don’t do it too often at home.”  Marco Estrada lasted 3 1-3 innings for the Brewers, who have lost five in a row. He gave up eight runs on six hits and had a career high six walks.   Estrada said it was likely the worst outing of his big league career.