Matz impresses again, but Mets blanked in finale

Matz strikes out 7 in 7 innings NEW YORK -- The Mets couldn't continue playing spoiler on Sunday against a Nationals team that may not need the nudge. They couldn't keep Washington's scoreless-innings streak going and they couldn't extend their own positive pitching streak to any great lengths. In the end, they couldn't even keep their 15-0 loss to the Nationals at Citi Field close.

But at least the Mets can enter the season's final month confident in their rotation.

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Steven Matz delivered seven innings of one-run ball in the defeat, completing a rotation turn in which Mets starters posted a 1.13 ERA. Since Aug. 3, that bunch has posted a 2.89 ERA, better than all but…