Here is a positional cross section of the analysis users have submitted in their 2014 mock drafts. In short, what is being said per key position. Who are the top 10 at this position and what is being said about them...
With the Martin-Incognito debacle, the Dolphins missed Jake Long. They need to keep Tannehill from running for his life, he's athletic, but he is a good pocket passer, if he had one. Martin fits nicely here as he can fill a hole in either spot (probably better off at Guard).
The 49ers need a receiver and with a plethora of picks, could move up for a big name very easily. However at this point, no WR warrants picking, and the 49ers need offensive help as their run game struggled this year at times and Kaepernick was running more than he'd like.
After watching the NFC Championship game, it is apparent that Seattle needs O-line help. They need to ultimately try to keep Wilson up and not scrambling for his life (unless it's designed). With Tate gone, and the questions always surrounding Percy's health,