KISSIMMEE, Fla. — Roy Oswalt threw two rocky, yet scoreless innings in his spring debut and the Houston Astros beat the Atlanta Braves 3-0 Saturday.

Oswalt walked three and loaded the bases in the first. He allowed just one hit and struck out two while throwing 44 pitches.

Outfield prospect Jason Heyward singled in the fifth inning and has reached base at least once in all five of the Braves' spring games. He's now 4 for 10 with four walks.

Carlos Lee doubled and scored in his spring debut for the Astros and Lance Berkman made his first start of the spring at first base, going 0 for 1.

Braves starter Kris Medlen gave up one hit and two walks in two scoreless innings.