On july 1, 2011 Jair Jurrjens of the Braves picks up his 11th win of the year with a one-hitter over the Orioles, 4 – 0. He lowers his National League-leading ERA to 1.89 in a bid to be named the starter of the 2011 All-Star Game. Adam Jones has the lone safety, a single in the 7th, while Jason Heyward hits his first homer since April 29th to open the scoring.
Source
Baseball Reference July 1