A dozen thoughts and nuggets after Miami's 13-9 victory against Atlanta in the third preseason game:
### All of the unresolved issues about Miami's starting lineup appeared to gain clarity. Kelvin Sheppard appears set as the starting middle linebacker, not because Sheppard has been extraordinary but because Chris McCain continued an underwhelming preseason on Saturday. McCain was on the field late in the game but made little impact.
Billy Turner played competently at right guard on Saturday, and it would be very surprising if he's not the starter to open the season, unless a high-caliber veteran becomes available.
Walt Aikens appears likely to be the starting safety opposite Reshad Jones.
### Fill-in left tackle Dallas Thomas, expected to be the starting left guard once the season starts, had a couple of breakdowns in run blocking but did a good job in pass protection. Jason Fox (out with a concussion) figures to start at left tackle against Washington if Branden Albert isn't ready to go --- which has becomes a distinct possibility if not a probability.
### The Dolphins scored only seven points on Ryan Tannehill's six series, but Tannehill continued putting up solid numbers, finishing 15 for 19 for 145 yards, one touchdown (a 2-yarder to Rishard Matthews) and a 116 rating.
### Even on a week Seattle’s Michael Bennett called him mediocre and overpaid, Tannehill got plenty of love: Pro Football Focus curiously ranking him 10th among all quarterbacks, ahead of Andrew Luck, and NFL Net’s respected Daniel Jeremiah declared that “he’s got Pro Bowl ability.It’s tough to find a guy as athletic as Tannehill and has that poise and can slow things down. He’s able to. Quick release. Ability to extend plays with his legs. He looks sharp. And this is without DeVante Parker.”
### Matt Moore again struggled (5 for 10, 68 yards, 32.5 rating), throwing an interception on a deflected pass. He has a 50.1 passer rating in preseason.
### This Ndamukong Suh-led defensive line should be the Dolphins' best in years. The Falcons had no yards rushing on seven first half carries and finished with 50 on 24 attempts. Earl Mitchell and Cam Wake each had sacks and Mitchell also had two tackles for loss.
What's more, Derrick Shelby was outstanding. A.J. Francis, trying to win the last d-tackle job, had a sack, and second-rounder Jordan Phillips looked good. Anthony Johnson had a sack but committed his fourth neutral zone infraction of the preseason.
### Two players very much on the bubble left with injuries: LaMike James (chest) and Zack Bowman (thigh). James averaged just 6.5 yards on four punt returns but 30 yards on two kickoff returns.
### Three of the four undrafted linebackers made their presence felt. Zach Vigil again had some good moments ("coaches have high hopes for Zach Vigil; I know that," Stephen Ross said on CBS-4); Mike Hull's sack ended a Falcons drive near the Dolphins goal-line; and Neville Hewitt forced a late fumble. Jordan Tripp's ankle injury couldn't have come at a more inauspicous time.
### Jay Ajayi made his preseason debut with 25 yards rushing on 7 carries. Damien Williams ran 6 times for 19 yards and James didn't have a rushing attempt before leaving with an injury. Starter Lamar Miller had 22 yards on six carries and caught five passes for 31 yards.
### The Dolphins' rookie punter and rookie kicker each made strong statements in their bid for jobs. Andrew Franks, who entered in an uphill climb against Caleb Sturgis, nailed a 51-yard field goal late in the game. Punter Matt Darr averaged 56.5 yards on two punts; Brandon Fields averaged 50 yards on three punts, though he placed two inside the 20.
### A few other notable remarks from owner Ross during his appearance on the CBS-4 broadcast: "Our receiver room has never been better since I've been here. They get along.... I haven't liked our second-stringers so far this year... Joe [Philbin] is coming into his own. The players feel good about him."
### With $13 million in cap space and question marks at guard, why didn’t Miami make a big offer for Denver-bound Evan Mathis? Among the reasons: Not only has Dallas Thomas impressed the Dolphins in camp, but they weren’t convinced that Mathis, at 33, would be better than Thomas and Billy Turner by the end of the season.
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