Cook to start for ill Buchholz on Sunday

BOSTON -- Red Sox pitcher Clay Buchholz has been scratched from his scheduled start Sunday due to illness, said manager Bobby Valentine.

The Sox announced that Aaron Cook, who was slated to start for Triple-A Pawtucket on Saturday night but was scratched, will make the start for Boston on Sunday against the Atlanta Braves.

Buchholz was not at Fenway Park on Saturday. He's 8-2 with a 5.53 ERA in 14 starts this season.