National League Central

Polanco homers, Pirates beat Brewers 4-2 for 4-game sweep

The Pittsburgh Pirates spent a good portion of the first half of the season trying — and failing — to find any sort of traction.

Once they'd figure out one problem, another would pop up. If it wasn't the bullpen, it was the mess left by outfielder Starling Marte's 80-game steroid suspension. Or the back end of the starting rotation. Or the massive funk that baffled star center fielder Andrew McCutchen.

Two hot weeks have changed the discussion dramatically.

Gregory Polanco homered, Chris Stewart added three hits and the surging Pirates completed a four-game sweep of the NL Central-leading Milwaukee Brewers with a 4-2 victory on Thursday.

The Pirates have won 11...

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