Dominique-Rodgers Cromartie, Jared Allen among best free agents left

So who’s left in free agency? Good question. Here are the top unsigned/untagged unrestricted free agents in PFT’s  free agent rankings, which were updated this afternoon with the addition of a noted advocate for a key component of the “RICE” method: 12.  Broncos cornerback Dominique Rodgers-Cromartie. 18.  Vikings defensive end Jared Allen. 23.  Giants wide…