I don't think there's a corner worthy of the #14 pick. A trade down option sure, but I think Miami goes in another direction with their number one pick. Corner is definitely an area where the team needs help and I certainly wouldn't be surprised to see a 2nd round corner picked by the Dolphins.
At this point, pre-free agency I think the targets are:
Shelton DT -- probably won't make it
Brown DT --- should be there
White WR --- projected lately as a top 10. My number one target.
Parker WR --- may be there. My number two guy.
McKinney LB --- fills a big need. Nice player with big upside.
Gordon RB --- I think it's pretty unlikely the team goes running back in R1.
Collins S --- Good possibilty.
Collins OT/OG -- only if team misses on a guard in free agency
Max Williams TE -- my sleeper pick. This guy's going to pick up steam as the draft process continues.