Through three innings, Nationals pitcher Tanner Roark was rolling.
Then, solo home runs were surrendered in back-to-back innings in Washington's 8-2 loss to the Reds. Todd Frazier hit one in the fourth and Brandon Phillips hit one in the fifth. Roark went six innings and gave up two earned runs,
However, reliever Aaron Barrett, Matt Grace and Taylor Hill had disastrous outings in the seventh. They combined for six runs allowed in what was otherwise a close game in the other eight innings.
Roark, in the rotation with Stephen Strasburg on the disabled list, now has a 2.59 ERA.