DAVIE (CBSMiami/AP) — The Miami Dolphins offense is showing signs of life for the first time in years, but the work is nowhere near done.

Ryan Tannehill has no false sense of accomplishment right now.

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The critiques that the Dolphins’ quarterback has heard in recent days from offensive coordinator Bill Lazor have not exactly been loaded with effusive praise. By his own admission, Tannehill missed plenty of targets in Week 1 against New England, left some touchdown opportunities uncashed and was nowhere near as sharp as the Dolphins wanted.

That’s the bad news.

Here’s the good news: Even with a less-than-crisp showing, Tannehill led the Dolphins to 33 points in a victory over the Patriots — Miami’s second-biggest point total against New England in the last 20 years. He’ll now try to win consecutive games against division rivals for just the second time, when Miami (1-0) visits the Buffalo Bills (1-0) on Sunday.

“We left a lot of plays out there. I left a lot of plays out there, personally,” Tannehill said Wednesday, when asked to assess his work against the Patriots. “Location of throws, missing throws, had a couple dropped passes, just details like that. We left a lot of yards and a lot of touchdowns on the field. … You can’t leave that many plays on the field consistently and expect to win week-in and week-out.”

The Bills gave up 349 passing yards to Chicago last week, so opportunities should be there for Miami on Sunday.

“Ryan Tannehill is getting better and better,” Bills coach Doug Marrone said. “I see him progressing. As a quarterback, he’s doing an excellent job of leading that team.”

Clean-up mode for the Dolphins had obviously started in earnest by Monday, when Lazor was asked about Tannehill’s performance — 178 yards, two touchdowns, one interception, solid-looking though hardly eye-popping numbers — in the Week 1 win.

He didn’t mince words.

“My No. 1 feeling is that we better get better fast, particularly in the passing game,” Lazor said.

First place after one week, beating the Patriots, starting the season off with a win, none of that ushered in any phony era of good feeling on the offensive side of the Dolphins’ complex.

It’s no secret that Lazor is demanding, and his players seem to be embracing that truth.

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“Not bragging or boasting, but I honestly feel like we could have had at least 50 points,” wide receiver Mike Wallace said. “I had a fumble early in the game. Lamar (Miller) had a fumble. A double move should have been a touchdown. We had an interception when I ran a post that should have been a touchdown. We had a throw to (Charles) Clay that should have been a touchdown. There were wide open ones.”

Self-criticizing after a win might not always be easy.

That wasn’t the case for the Dolphins this week, Tannehill included.

“We try to be as honest in our appraisal of what we’re doing — good, bad or ugly — every week,” Dolphins coach Joe Philbin said. “I think the biggest thing is take a look at the film. The film says we did some good things, but there’s a lot of room to get better.”

Tannehill said he didn’t mind Lazor’s words, saying the offensive coordinator “isn’t ruthless, he’s real.”

“He’s been great. He wants to be great,” Tannehill said. “He wants to score a lot of points. He wants me to play well and that’s what I want. It’s been good to have him push me along and teach me the ins and outs of the offense and expect to play well. That’s what I like.”

There’s one break Tannehill might have on this trip to Buffalo: the weather.

It was 36 degrees in each of his first two starts at Buffalo, both of those games winding up as Dolphins losses. Forecasters say the temperature in western New York should be in the upper 60s on Sunday.

“Should be fun,” Tannehill said.

NOTES: The Dolphins are already listing C Mike Pouncey (hip), DE Terrence Fede (knee) and LB Jordan Tripp (chest) as out. Three other defensive players — LB Chris McCain (ill), LB Koa Misi (ankle) and DT Randy Starks (toe) did not practice Wednesday, nor did G Billy Turner (foot). Another seven players were on the “limited participation list.” … DE Cameron Wake was selected as the AFC’s defensive player of the week for Week 1. “That award could be really spread around this whole locker room,” Wake said.

Watch the Dolphins take on the Buffalo Bills this Sunday at 1 p.m. on CBS 4 your official Dolphins station! 

(TM and © Copyright 2014 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2014 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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