Scott Olsen of the Washington Nationals, who started the year in the minors after undergoing shoulder surgery the previous July, retires 22 of the first 23 Braves batters he faces, until David Ross breaks up his no-hit bid with a one-out single in the 8th. The Braves then proceed to tie the score at 2-all, but the Nats score a run in the bottom of the 9th on a pinch-hit single by Willie Harris with the bases loaded and none out. Tyler Clippard is credited with the 3 – 2 win.

On May 6, 2010 — Scott Olsen of the Washington Nationals, who started the year in the minors after undergoing shoulder surgery the previous July, retires 22 of the first 23 Braves batters he faces, until David Ross breaks up his no-hit bid with a one-out single in the 8th. The Braves then proceed to tie the score at 2-all, but the Nats score a run in the bottom of the 9th on a pinch-hit single by Willie Harris with the bases loaded and none out. Tyler Clippard is credited with the 3 – 2 win.

Source:
Baseball Reference May 6