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So who’s left in free agency?

Per PFT’s rankings, here are the top 12 unsigned players as of Sunday:

13) Panthers defensive end Greg Hardy.

32) 49ers wide receiver Michael Crabtree.

40) Ex-Chiefs wide receiver Dwayne Bowe.

41) Raiders center Stefen Wisniewski.

44) Bengals tight end Jermaine Gresham.

47) Packers cornerback Tramon Williams.

58) Saints cornerback Patrick Robinson.

61) Jaguars wide receiver Cecil Shorts.

65) Bills inside linebacker Brandon Spikes.

70) Cowboys linebacker Rolando McClain.

73) Falcons defensive end Kroy Biermann.

76) Patriots defensive tackle Vince Wilfork.

It would be surprising if all 12 remained unsigned come next week. Given the need for cornerbacks, Williams and Robinson seem especially solid candidates to find employment. Bowe, the Chiefs’ former top receiver, has already drawn interest from Cleveland.

In the longer term, it’s likely that we’ll look back and find that a handful of the 12 players listed turn out to be solid second-week signings — the type of performers that will make us wonder why they were unsigned for so long.

Now, we turn it over to PFT Planet. Which of these 12 unsigned players will prove the best second-wave signing of free agency? Vote in the poll and tell us in the comments.