The San Francisco Giants have placed outfielder Pat Burrell on the 15-day disabled list with a foot injury and purchased the contract of catcher Hector Sanchez from Triple-A Fresno. Burrell has a strained right foot. He is hitting .233 with seven homers and 21 RBIs in 172 at-bats. The 21-year-old Sanchez was hitting .305 with 12 RBIs in 23 games with Fresno.