Seeking defensive backfield help, the Dolphins quietly have been summoning several cornerbacks to visit team headquarters, as well as some sleeper offensive players. We hear the Dolphins, who never disclose visits publicly, have brought in at least three cornerbacks to meet with team officials: Alabama’s Dee Milliner (expected to be gone before Miami’s pick at No. 12), Boise State’s Jamar Taylor (possible option at 42, but could go higher) and Southeast Louisiana’s Robert Alford (Mel Kiper’s pick for Miami at 54). There are others cornerbacks Miami likes, but those are the three with whom Miami has spent the most time since the NFL Combine. CBS draft analyst Rob Rang said “scouts have been buzzing about Alford” and compares Taylor – a good scheme fit for Miami – to Tampa five-time Pro Bowler Ronde Barber. Miami also tried to book FSU’s Xavier Rhodes for a visit, but he has declined so far because of scheduling conflicts. Rhodes, a first-round talent but not an ideal scheme fit for Miami, hasn’t ruled out a visit here. Using one of Miami’s two second- or third-round picks on a cornerback makes sense, but general manager Jeff Ireland said Thursday: “You can find [corners] in the fourth, fifth, sixth round. I don’t think it’s a position you have to take high.” ### Also, we hear UF tight end Jordan Reed visited the Dolphins on Thursday (along with Notre Dame linebacker Manti Te’o), and Rang compares Reed (45 catches, 559 yards in 2012) with ex-Gator Aaron Hernandez in that Reed “creates receiving mismatches against linebackers and defensive backs similar to what Hernandez has done in New England.” The Dolphins haven’t booked visits with the draft’s two top tight ends – Notre Dame’s Tyler Eifert and Stanford’s Zach Ertz – but appreciate Eifert’s skills and told people they really like Ertz. Ireland has spoken about taking a core position player at No. 12 and admitted tight end “hasn’t necessarily been a core position.”