Chris Johnson thinks he can become the first back to rush for 2,000 yards twice. (AP Photo/Elaine Thompson)
» Video: Best in the biz - Running backs

Adrian Peterson's 18 rushing touchdowns led the league in 2009. (AP Photo/Paul Abell)
» Video: Best in the biz - Running backs

Steven Jackson was one of the lone bright spots for the Rams in 2009. (AP Photo/Ted S. Warren)
» Video: Best in the biz - Running backs

Frank Gore had a career-high 13 total TDs in 2009. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Running backs

The Falcons hope a healthy Michael Turner will return to Pro Bowl form. (AP Photo/Chuck Burton)
» Video: Best in the biz - Running backs

Maurice Jones-Drew enters the 2010 season with a streak of 51 consecutive games with a reception. (AP Photo/Tony Avelar)
» Video: Best in the biz - Running backs

Larry Fitzgerald's 13 TDs tied for the league lead in 2009. (AP Photo/Greg Trott)
» Video: Best in the biz - Wide receivers

Andre Johnson led the league in receiving yards with 1,569 in 2009. (AP Photo/Dave Einsel)
» Video: Best in the biz - Wide receivers

Reggie Wayne has six straight seasons with 1,000-plus yards. (AP Photo/David Drapkin)
» Video: Best in the biz - Wide receivers

Brandon Marshall has 100-plus catches and 1,000-plus yards in three consecutive seasons. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Wide receivers

DeSean Jackson averaged almost 19 yards a catch in 2009. (AP Photo/Brian Garfinkel)
» Video: Best in the biz - Wide receivers

Randy Moss has 1,000-plus yards in 10 of his 12 seasons. (AP Photo/ Bill Nichols)
» Video: Best in the biz - Wide receivers

Tony Gonzalez's next catch will be his 1,000th. (AP Photo/Paul Abell)
» Video: Best in the biz - Tight ends

Antonio Gates has earned six straight Pro Bowl invitations. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Tight ends

Jason Witten has been named to six straight Pro Bowls. (AP Photo/Brian Garfinkel)
» Video: Best in the biz - Tight ends

Dallas Clark led all tight ends in yards and receptions in 2009. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Tight ends

Jermichael Finley averaged 12 yards per catch in 2009. (AP Photo/Morry Gash)
» Video: Best in the biz - Tight ends

Vernon Davis tied for the league lead in TD receptions with 13 in 2009. (AP Photo/Paul Sakuma)
» Video: Best in the biz - Tight ends

Jahri Evans was named to the Pro Bowl last season. (AP Photo/David Drapkin)
» Video: Best in the biz - Offensive linemen

Nick Mangold has started all 64 games and four postseason games in his first four seasons. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Offensive linemen

Joe Thomas is a three-time Pro Bowler for the Browns. (AP Photo/Mark Duncan)
» Video: Best in the biz - Offensive linemen

Ryan Clady was a Pro Bowl selection last season. (AP Photo/Paul Abell)
» Video: Best in the biz - Offensive linemen

Steve Huntchinson is a seven-time Pro Bowl selection. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Offensive linemen

Peyton Manning surpassed 350 career TD passes in his 185th career game, tying Dan Marino as the fastest to reach that milestone. (AP Photo/Michael Conroy)
» Video: Best in the biz - Quarterbacks

Drew Brees is looking to lead the Saints back to the Super Bowl. (AP Photo/Patrick Semansky)
» Video: Best in the biz - Quarterbacks

Tom Brady was named to the 2000s NFL All-Decade Team. (AP Photo/Winslow Townson)
» Video: Best in the biz - Quarterbacks

In 2009, Ben Roethlisberger flew by his previous career highs in completions, attempts and yards. (AP Photo/Paul Spinelli)
» Video: Best in the biz - Quarterbacks

Donovan McNabb starts a new chapter with the Redskins in 2010. (AP Photo/Nick Wass)
» Video: Best in the biz - Quarterbacks