Villar worked a full count against Seung Hwan Oh before slapping a single to left on Oh's seventh offering. That set off an on-field celebration that had to hit pause for a minute or two while umpires reviewed, then confirmed, a safe call on a close play at the plate.
The Milwaukee Brewers will look to record a rare series victory over the St. Louis Cardinals on Saturday afternoon, when the National League Central rivals play the second contest of their three-game set at Miller Park. Leake then caught Ryan Braun looking at a third strike and the game remained tied into the fourth.
Nieuwenhuis led off the ninth with a walk off Trevor Rosenthal (2-4).
Jeremy Jeffres (2-4) picked up the win in relief. Martinez is 2-1 with a 1.08 ERA in five career starts versus Milwaukee.
The Cardinals are limping into the All-Star break, with injuries to their best overall hitter, Matt Carpenter, their most powerful hitter, Brandon Moss, and one of their leading relievers, Kevin Siegrist, hitting them on the last homestand. The Brewers defeated the Cardinals 4-3. He will be back in the lineup today before traveling to San Diego to represent the Brewers at the All-Star Game.
Syndergaard (9-4) and slugger Yoenis Cespedes left early with injuries - hours after NY announced that struggling pitcher Matt Harvey will have season-ending surgery for thoracic outlet syndrome.
Grichuk, hitting safely for his sixth straight game since returning from his brief exile in Memphis, also knocked in a run in the ninth.
"My foot went completely numb once it hit, but the more I moved it around the feeling came back and I was able to put pressure on it", Wacha said. He walked four, one intentionally, and struck out two.
NATIONALS 3, METS 2 Daniel Murphy kept answering the Citi Field boos with booms, hitting his seventh home run this year against the team that let him go last winter and leading visiting Washington over NY.
Two outs when winning run scored.
Carter connected for a towering leadoff drive in the second against Michael Wacha, but the Cardinals jumped in front on consecutive run-scoring singles by All-Star Aledmys Diaz and Matt Holliday in the third.
Leake gave up six hits in all, didn't issue a walk and struck out a season-high 10. He was pulled during a ninth-inning at-bat Friday when he started experiencing spasms. He walked five and allowed two runs and four hits.
In six career appearances (five starts) against the Brewers, Wacha is now 4-0 with a 4.10 ERA.
Inherited runners-scored - Thornburg 2-0. NY scored four runs in the second and six in the fifth.
The victory came at a cost. First baseman C.J. Cron - who has 11 homers and 50 RBIs - fractured a bone in his left hand when hit by a pitch from Mike Wright in the sixth inning. He will see a specialist Monday, the team said. Will Smith allowed a hit in an inning of work. In his previous eight starts, he had a 6.44 ERA.
Tyler Lyons relieved Martinez and pitched 2 1/3 hitless innings.