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Dolphins cut one, curious to see who they add

The Dolphins this evening announced they cut DT Marvin Austin, which is not an intriguing move other than it strongly suggests the team is about to fill the vacant roster spot with another player.

And that means the Dolphins are trying to add a player to help them the remainder of this year.

But here's the deal, it is not a running back, as a source told me this evening the Dolphins are not looking in that direction right now.

Before going further, allow me to back up a bit ... Today was an interesting day in that I heard there was a lot of activity within the personnel department even as General Manager Jeff Ireland was not around. (He was apparently off scouting).

The activity was so obvious, assistant GM Brian Gaine came to practice after it had begun and had a short meeting with coach Joe Philbin right there on the field -- during practice.

I cannot report anything absolutely concrete, such as phone calls to other teams or agents, but I do know the Dolphins are working toward something.

And then the Austin move happened. And then I was told the corresponding move might be to add an offensive lineman.

The Dolphins, you see, are aware quarterback Ryan Tannehill is very valuable. And their very valuable asset has been treated like a rag doll the first five games of the season, getting sacked a team-record pace 24 times in five games.

So I asked if an offensive lineman might be on the way, And, yes, the possibility exists, was the answer.

The questions remains who?

Bryant McKinnie might be available although he hasn't exactly played great.

I'd love it to be Tampa Bay OT Donald Penn but don't wish to speculate the move would be that big.

The Bills also cut guard Colin Brown on Tuesday, so there's a possibility the Dolphins might be interested in the 28-year-old who has started the past five games for Buffalo.

We'll see.