There's only one allocation order.
Ridgwell and Adi were signed as Discovery Players. Because the league owns all teams (single-entity, which is still needed, but that's a different discussion), the rules are there to prevent MLS from essentially bidding against itself on players.
It's laid out here, save for the Jones situation, which they didn't have a rule that covered the situation (they will soon/now, lol), but handled the best they could, IMO: http://pressbox.mlssoccer.com/conten...nd-regulations

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