Pettibone scratched from Saturday start

PHILADELPHIA -- Phillies right-hander Jonathan Pettibone will not make his next scheduled start Saturday against the Braves and said he has tightness in his throwing arm.

Pettibone said he is taking anti-inflammatory medication and hopes to start early next week. Pettibone, a 23-year-old rookie right-hander, is 5-4 this season with a 4.04 ERA in 100 1/3 innings over 18 starts.