Nationals 7, Reds 3: Roger Bernadina homered and drove in three runs and Danny Espinosa also went deep as Washington opened a three-game series with its second straight victory.

Adam LaRoche went 2-for-3 with two RBIs and Ryan Zimmerman collected three hits for the Nationals, who have won six of nine.

Bernadina gave Washington a quick lead, following Ian Desmond's game-opening single with his second home run of the season. Two batters later, LaRoche plated Zimmerman with a double for a 3-0 advantage.

Bernadina hit an RBI single in the second and Espinosa belted a two-run shot off Reds starter Mike Leake in the third. LaRoche added a run-scoring single in the fourth to make it 7-0.

Gio Gonzalez (4-1) allowed two runs and five hits over five innings in his shortest outing since a 3 2/3-inning performance at Chicago in his season debut on April 7. The left-hander, who struck out a season-high nine, has yielded two runs or less in each of his last six outings.

Leake (0-5) lasted just three frames, surrendering six runs and seven hits.

Jay Bruce had two hits and an RBI for Cincinnati, which returned home from a 4-2 road trip.

GAME NOTEBOOK: Leake has allowed five runs or more in four of his last five starts. ... Washington's first four hitters in the lineup registered nine of its 12 hits. ... Nationals phenom Bryce Harper went 0-for-5 with three strikeouts and suffered a cut near his left eye after smashing a bat in the tunnel leading to the clubhouse and having part of it hit him in the face.