SAN FRANCISCO (AP) _ The San Francisco Giants placed right-hander Chris Brock on the 15-day disabled list Monday with a torn left knee ligament, making room on the roster for Livan Hernandez.

Brock, who was hurt Friday, was placed on the disabled list retroactive to July 24. He was 6-8 with a 5.48 ERA in 19 starts.

Hernandez, also a right-hander, is 5-9 with a 4.76 ERA. He was obtained Saturday in a trade with the Florida Marlins.