Five solid innings by rookie pitcher Chad Bettis couldn't make up for a rough opening.
Hunter Pence and Pablo Sandoval hit back-to-back homers off Bettis in the first inning and Yusmeiro Petit won his first game in four years, helping the San Francisco Giants beat the Colorado Rockies 5-3 on Tuesday night.
''He gave up two homers in the first, but he did a nice job after that,'' Rockies manager Walt Weiss of Bettis. ''He kept the Giants in check after that. He did his job.''
The successive homers by Pence and Sandoval marked the first time all season the Giants have hit back-to-back homers.
Pence's shot came with Brandon Belt on board with the first of his four hits, and sailed beyond the left field bleachers before smacking onto the concourse. Bettis said he threw him a fastball on the inside part of the plate.
''The ball was on the chalk inside,'' Bettis said. ''He knew it was coming in and he cheated to it and I...