I was just going by the rules.
4.4 - "During the Rule 5 Draft, most remaining players in the Yahoo database (with the exception of prospects already owned on MiLB rosters) will be available. The Rule 5 Draft typically consists of MLB international signings, MLB players cut from keeper rosters, and unowned prospects (prospects may only be taken if they have played at AA or higher, see MiLB Roster Management; international signings that were subject to international spending limitations may not be taken in the Rule 5 Draft and ones that were not subject to such restrictions are Rule 5 eligible). "