The Giants outrighted Ramos to Triple-A Sacramento on Thursday.
Ramos was recently designated for assignment and will remain in the organization after passing through waivers unclaimed. The 25-year-old has allowed five runs with a 1:4 K:BB in his two innings with the Giants this season and has posted a 4.13 ERA and 32:12 K:BB in 32.2 frames with Sacramento.