Despite Bruce Arians' y, the expectations are rising in Arizona.The ' 126 points through three games trail only the record-breaking 2013 ' total of 127 points. Their plus-77 point differential is the since the 1970 merger. Their 76.4 percent from Football Outsiders is 25.0 points higher than the next-closest team -- the .Are the this talented, or is their 3-0 start merely the result of playing against a trio of tomato cans?Five-time safety Adrian Wilson told 's Andrew Siciliano this week that this year's Arizona squad is just as strong as Wilson's 2008 team that fell to the in Karl Joseph Jersey XLIII.The is all-in on that sentiment, selecting the as this year's .As Grantland's Bill Barnwell , the lopsided scoreboards in September can be attributed to red-zone dominance, a flurry of return touchdowns and keeping healthy.It all starts with the quarterback.The are 16-2 in Palmer's last 18 games, a streak in which he has completed 398 of 618 pa ses (64.4 percent) for 4,962 yards, a 36:14 touchdown-to-interception ratio and a 99.2 pa ser rating."He's big, he's strong, he's accurate and he can make all the throws -- and he's ," receiver told NFL Media columnist Michael Silver after the Week 3 victory over the . "Now he's with a coach who really believes in him, and Carson's completely in command."Fitzgerald went on to tell ESPN.com's Jim Trotter that Palmer is the "" in right now."The way he's playing," Fitzgerald raved, "I'd Troy Polamalu Jersey put him right up there with and anyone else."It's the dream of most NFL quarterbacks to maintain their physical gifts long enough to take full advantage by mastering the mental aspects of the position. After overcoming his second ACL tear, nerve damage in his shoulder and a nagging elbow injury, Palmer is putting it all together just as he Cameron Sutton Jersey 's hitting his comfort zone in Arians' system."He's incredible," told Silver. "The way he prepares and calls out blitzes and knows what's going on out there, you can just tell how advanced of a quarterback he is."Just as Palmer is playing better than he has since setting franchise records with the in 2005, Fitzgerald's current three-game stretch is that lifted the into the aforementioned ."Last year he had two MCL injuries ," Arians explained to Trotter. "He kind of kept it to himself and was probably never better than 75 percent. The year before he had two bad hamstrings. This is the first time since we've been here together that he's been totally healthy. He's totally bought in and understands what we're trying to do."Whereas Palmer has perfected adjustments and protections at the line of scrimmage, Fitzgerald has found a home in the slot after lining up outside versus a single cornerback for his entire career before Arians' arrival.Fitzgerald fully understands that Hines Ward en route to XL MVP honors in Arians' offense.Beyond the revived Palmer T.J. Watt Jersey -to-Fitzgerald connection, the have a in and a physical outside presence in . The backfield trio has exceeded expectations as well, with of "CJ2K" form and big-play machine becoming the to score via pa s, run and kick return in his first two games.While offensive lines around the league out of the gates, the ' unit has allowed just one sack.For all of that firepower on offense, new defensive coordinator James Bettcher has made fans forget about Todd Bowles. defensive end and rookie nose tackle have led a front seven that has shut down opposing ground attacks, allowing just 3.5 yards per carry.There's no more versatile ball-hawking defensive back than , who has disrupted offenses not only with his coverage skills and instincts, but also with perfectly timed Plaxico Burress Jersey blitzes. Barring injury, he's headed for his first All Pro selection.With regaining lockdown form and 2014 first-round pick shuffling between linebacker and safety, the back end of this defense flies to the ball like few others in the league.Weak competition or not, the ' 3-0 start is no mirage -- as evidenced by their record with Palmer in the lineup over the past two and a half years. This roster is deeper and more versatile than the one that came within inches of the franchise's first Lombardi Trophy during the prime of Wilson's career.