Nationals 10, Cardinals 0: Gio Gonzalez collected his career-high 17th victory after tossing a complete-game shutout and Ryan Zimmerman belted a two-run homer as host Washington blasted St. Louis.
Rookie Bryce Harper and Adam LaRoche ripped two-run singles and Ian Desmond, Danny Espinosa and Kurt Suzuki had back-to-back-to-back RBI singles in the third inning. Jayson Werth capped the four-run frame with an RBI single for the Nationals, who moved 6 1/2 games ahead of second-place Atlanta in the NL East.
Gonzalez (17-7) scattered five hits and struck out eight en route to joining Cincinnati's Johnny Cueto and New York Mets knuckleballer R.A. Dickey with the most wins in the majors. Gonzalez allowed his first hit when Yadier Molina ripped a double to lead off the fifth inning but was not deterred. He breezed to his second complete game of the season and first shutout.
St. Louis' bats once again went silence as it has been outscored 32-1 during its four-game losing skid. The Cardinals fell into a tie with Pittsburgh for the National League's second wild card spot, although the Pirates were still playing Milwaukee on Friday.
Harper continued his hot hand by ripping a shot back up the box in the fifth inning. Suzuki and Werth came around to score as Harper increased his RBI total to eight in his last three contests.
Adam Wainwright (13-11) saw his six-game winning streak come to an emphatic end after yielding six runs on nine hits in 2 2/3 innings. The outing matched the shortest of his career as a stater.
GAME NOTEBOOK: St. Louis placed All-Star SS Rafael Furcal on the 15-day disabled list with a strained right elbow. Furcal suffered the injury during Thursday's series opener. In a corresponding move, SS Pete Kozma was promoted from Triple-A Memphis. ... Washington reliever Henry Rodriguez underwent surgery on his right elbow and will be sidelined for the season.