ATLANTA - Wei-Yin Chen combined with four relievers on a seven-hitter and the Baltimore Orioles continued their success in interleague play by beating the Atlanta Braves 2-0 on Sunday.

The Braves, who have lost six of seven, were shut out in back-to-back games for the first time since June 5-6, 2009. Jason Hammel threw a one-hitter in a 5-0 victory for the Orioles on Saturday night.

The Orioles, who began the day 1 1/2 games behind the first-place New York Yankees in the AL East, have won seven of eight. They are 9-3 in interleague play with series wins over Washington, Philadelphia, Pittsburgh and Atlanta.

Chen (7-2) gave up six hits and one walk in seven innings to outpitch Randall Delgado (4-7), who allowed only two runs and three hits in eight innings.