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Tuesday update: Dolphins sign LB and safety and audition cornerbacks

Some quick hits:

### The Dolphins signed two former Dolphins: safety Jonathon Amaya and linebacker Mike Rivera and cut offensive lineman Ray Feinga and safety Troy Nolan.

Amaya played as a reserve for the Dolphins in 2010 and was dealt to the Saints in the Reggie Bush during the 2011 offseason. He had 10 tackles on defense but got most of his work on special teams for the Saints last season and was cut in August.

Rivera spent the 2011 offseason with the Dolphins and played in two games for the Patriots this season before being cut Sept. 18. He is considered an above-average special teams player.

The Dolphins also brought in a few cornerbacks for tryouts Tuesday, including veterans Alphonso Smith, Aaron Berry and Morgan Trent, sources said.

Smith had eight interceptions the past two two years but was cut by the Lions on Aug. 31.

Berry was cut by the Lions in July after two arrests this summer - one for simple assault and one for suspicion of DUI. He played in 12 games for the Lions over the past two years and faces a three game NFL suspenion once he joins a team (for violating the league's personal conduct penalty).

Trent, who has started three games in three years, was waived by the Redskins in August.

The Dolphins so far have not needed to use their fourth cornerback, R.J. Stanford, on defense. Nolan was used sparingly on defense before he was cut.

### Please see our newest post on the left side of this blog, with more Dolphins tidbits (including on cornerbacks and Charles Clay and an update on Reggie Bush from Tuesday night).

### Yes, there's a lot to be encouraged about with Ryan Tannehill: the arm, the poise, his ability to lead the Dolphins to a game-tying field goal at the end of regulation Sunday and engineer a drive ending in a missed field goal that would have won the game in overtime.

But a lot of the positives cannot be measured statistically. From a numerical standpoint, the harsh reality is this:

Tannehill ranks 32nd and last among NFL quarterbacks in QB rating, at 58.3. The rest of the bottom five: Josh Freeman (71.4), Michael Vick (66.3), Brandon Weeden (60.7) and Jay Cutler (58.6). Matt Ryan is first at 114.0.

Because Tannehill's growth is so critical to Jeff Ireland's future, it's puzzling why Ireland hasn't surrounded him with better receivers. Tannehill has been victimized by 11 dropped passes, second-most in the league behind Drew Brees, according to Pro Football Focus. That obviously hurts his QB rating.

### Here's where Tannehill ranks in other categories: He's 28th in completion percentage at 52.9. (Mark Sanchez is last at 50.5). He's 26th in yards, 22nd in fourth-quarter passer rating (76.5) and 26th in third-down passer rating (65.0).

### With three sacks in three games, the Dolphins rank ahead of only Jacksonville in sacks per pass play. Seven NFL players have more sacks than the entire Dolphins team, led by Clay Matthews (six).  The Dolphins, as you'll recall, selected Vontae Davis one spot ahead of Matthews in the 2009 draft. 

"We missed a few obviously," defensive coordinator Kevin Coyle said of the lack of sacks. "Yesterday we had a couple of opportunities off the edges where Mark Sanchez was able to spin out, and that has historically been one of the things that Sanchez has done. He's not a running quarterback, but he's got some elusiveness in the pocket.

"I think that the opposing quarterbacks are very aware of our rushers, particularly Wake coming off the edge. We’ve got to create more sacks no question about it, but the one positive that I’m, seeing is that the completion percentage, although we’ve given up a lot of yards in terms of total yardage over the three games; I’m not happy about that, I’m disappointed about that. But the completion percentage is like 52%, and I think it’s third best in the league in terms of quarterback completion ratio. So the pressure that we’re generating is causing guys to throw the ball away, to make some errant throws and things of that nature."

Cam Wake had 13 quarterback "hurries" but no sacks this season. Jared Odrick and Olivier Vernon shared Miami's only sack Sunday; Randy Starks has the Dolphins' other two this season.

### The Dolphins are allowing the fourth-most passing yards per game in the league, and Sanchez on Sunday joined Vinny Testaverde as the only Jets quarterback to throw for at least 300 yards in a win against the Dolphins in the past 19 years.

### The Jets' Calvin Pace raised eyebrows when he said this about Reggie Bush after Sunday's game, per The New York Daily News: "We had to put him on out. We didn't see him again."

When Pace spoke to reporters Monday, he opened with a statement in which clarified: "I wasn't trying to say it as if we were trying to hurt him. We aren't running any bounty system or anything like that."

### The Heat auditioned former UM guard Jack McClinton on Monday and reportedly will work out former San Diego State power forward Malcolm Thomas this week. Thomas appeared in three games for the Spurs last season. Juwan Howard and Nigerian national team swingman Chamberlain Oguchi also continue to work with the Heat, hoping to land the two remaining spots on the training camp roster. Miami has 18 under contract and can bring 20 to camp.

### UM's Ben Jones played 53 snaps Saturday and Seantrel Henderson played 12. But both did enough, coaches say, to pull even with Miami's starting tackles: Ereck Flowers and Malcolm Bunche. So Monday's depth chart has Bunche/Henderson as an "either/or" at left tackle, and Flowers/Jones as an "either/or" at right tackle.