The NFL draft has come and gone, and with it, the biggest moves of the Miami Dolphins’ offseason. The Dolphins very likely will make some additions to their roster before the start of training, but General Manager Jon-Eric Sullivan said on The Joe Rose Show on Wednesday not to expect any splash moves in June just because they'll get more than $20 million of cap space with edge defender Bradley Chubb's release officially getting processed. “So, we may add a vet here and there, but it's not going to be anything that jumps out to people," Sullivan said. "It'll be a plug a hole and probably more depth than anything else.” With that, let’s take a look at some veteran free agents who are still available and may fit into Miami’s most needy position groups. Clelin Ferrell, edge Miami’s edge room, even after adding two players in the draft, is looking a little light.…