Running back D.D. Terry #35 of the Jacksonville Jaguars works out during training camp at Alltel Stadium practice facililty on July 31, 2007 in Jacksonville, Florida. (Photo by Doug Benc/Getty Images)

Falcons owner Arthur Blank (L) shakes hands with head coach Bobby Petrino at the Atlanta Falcons training camp July 26, 2007 in Flowery Branch, Georgia. (Photo by Mike Zarrilli/Getty Images)

Falcons quarterback Joey Harrington #13 throws a pass at the Atlanta Falcons training camp July 26, 2007 in Flowery Branch, Georgia. (Photo by Mike Zarrilli/Getty Images)

Running back Kevin Faulk of the New England Patriots works out during training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Running Back Laurence Maroney # 39 of the New England Patriots signs autographs after training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Wide receiver Randy Moss #81 of the New England Patriots works out during training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Quarterback Tom Brady #12 of the New England Patriots works out during training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Quarterback Tom Brady #12 and wide receiver Randy Moss # 81 of the New England Patriots work out during training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Quarterbacks Tom Brady #12, Matt Cassel #16 , and Matt Gutierrez #7, of the New England Patriots work out during training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Runningback Thomas Jones #20 of the New York Jets practices during the first day of training camp on July 27, 2007 at Hofstra University in Farmingdale, New York. (Photo by Mike Ehrmann/Getty Images)

Running back Thomas Jones #20 of the New York Jets practices during the first day of training camp on July 27, 2007 at Hofstra University in Farmingdale, New York. (Photo by Mike Ehrmann/Getty Images)

Quarterback Alex Smith #11 drops back to pass along with quarterback Trent Dilfer #12 as the San Francisco 49ers start their training camp at Santa Clara, California. (Photo by Greg Trott/Getty Images)

Running back Zak Keasey #45 gets a drink as the San Francisco 49ers start their training camp at Santa Clara, California. (Photo by Greg Trott/Getty Images)

Head coach Lane Kiffin of the Oakland Raiders looks on during training camp on July 27, 2007 at the Marriott Hotel in Napa, California. (Photo by Greg Trott/Getty Images)

Tight end James Adkisson #88 of the Oakland Raiders catches a pass during training camp on July 27, 2007 at the Marriott Hotel in Napa, California. (Photo by Greg Trott/Getty Images)

Widde receiver Darrell Jackson #82 snags a pass as the San Francisco 49ers start their training camp at Santa Clara, California. (Photo by Greg Trott/Getty Images)

Offensive lineman Joe Staley #74 battles defensive lineman Roderick Green #54 as the San Francisco 49ers start their training camp on July 29, 2007 at Santa Clara, California. (Photo by Greg Trott/Getty Images)

Brian Leonard #23 of the St. Louis Rams looks to break through the defense during training camp on July 30, 2007 at the Russell Training Center in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

Devin Hester #23 of the Chicago Bears, moved from defense to offense in the off-season, catches a pass during a summer training camp practice on July 30, 2007 at Olivet Nazarene University in Bourbonnais, Illinois. (Photo by Jonathan Daniel/Getty Images)

Fans yell at players for autographs as the Chicago Bears take the field for a workout during a summer training camp practice on July 30, 2007 at Olivet Nazarene University in Bourbonnais, Illinois. (Photo by Jonathan Daniel/Getty Images)

Rex Grossman #8 of the Chicago Bears passes the ball during a work out at summer training camp practice on July 30, 2007 at Olivet Nazarene University in Bourbonnais, Illinois. (Photo by Jonathan Daniel/Getty Images)

Steven Jackson #39 of the St. Louis Rams stretches during training camp on July 30, 2007 at the Russell Training Center in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

Shawne Merriman #56 of the San Diego Chargers walks upfield during training camp at Chargers Park on July 30, 2007 in San Diego, California. (Photo by Lisa Blumenfeld/Getty Images)

Tye Hill #26 of the St. Louis Rams reacts to breaking up a pass during training camp on July 30, 2007 at the Russell Training Center in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

Quarterback Matt Hasselbeck #8 of the Seattle Seahawks passes in training camp on July 31, 2007 at Seahawks Headquarters in Kirkland, Washington. (Photo by Otto Greule Jr/Getty Images)

Wide receiver Deion Branch #83 of the Seattle Seahawks leaps for a pass in training camp on July 31, 2007 at Seahawks Headquarters in Kirkland, Washington. (Photo by Otto Greule Jr/Getty Images)

Braylon Edwards #17 of the Cleveland Browns has a laugh with Derek Anderson #3 during training camp at the Cleveland Browns Training and Administrative Complex on July 31, 2007 in Berea, Ohio. (Photo by Gregory Shamus/Getty Images)

The Jacksonville Jaguars work out during training camp at Alltel Stadium practice facililty on July 31, 2007 in Jacksonville, Florida. (Photo by Doug Benc/Getty Images)

Running back Reggie Bush #25 goes signs autographs after the New Orleans Saints training camp on July 31, 2007, at Mississippi Memorial Stadium in Jackson, Mississippi. (Photo by Chris Graythen/Getty Images)

Tightend Alex Smith #81 of the Tampa Bay Buccaneers catches a pass during training camp at Disney's Wide World of Sports on August 1, 2007 in Orlando, Florida. (Photo by Doug Benc/Getty Images)

Head coach Jon Gruden of the Tampa Bay Buccaneers fields questions after morning practice during training camp at Disney's Wide World of Sports on August 1, 2007 in Orlando, Florida. (Photo by Doug Benc/Getty Images)

Defensive back Ronde Barber #20 of the Tampa Bay Buccaneers cools down on the sideline during training camp at Disney's Wide World of Sports on August 1, 2007 in Orlando, Florida. (Photo by Doug Benc/Getty Images)

DAVIE, FL - AUGUST 02: Running back Ronnie Brown #23 of the Miami Dolphins acts as water boy for Patrick Cobbs #38 in practice during training camp at Nova Southeastern University on August 2. 2007 in Davie, Florida. (Photo by Doug Benc/Getty Images)

Wide receiver Jordan Kent #82 of the Seattle Seahawks catches a pass during training camp on July 31, 2007 at Seahawks Headquarters in Kirkland, Washington. (Photo by Otto Greule Jr/Getty Images)

Falcons linebacker Michael Boley #59 gets set during a defensive drill at the Atlanta Falcons training camp July 26, 2007 in Flowery Branch, Georgia. (Photo by Mike Zarrilli/Getty Images)

Quarterbacks Derek Devine #5, David Greene #11 and Erik Meyer #7 of the Seattle Seahawks look on during training camp on July 31, 2007 at Seahawks Headquarters in Kirkland, Washington. (Photo by Otto Greule Jr/Getty Images)

The New England Patriots work out during training camp practice on July 27, 2007 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)

Head coach Jack Del Rio , R, and assistant head coach Mike Tice of the Jacksonville Jaguars watches as linebacker Nick Greisen #55 battles with tight end Marcedes Lewis #89 during training camp at Alltel Stadium practice facililty on July 31, 2007 in Jacksonville, Florida. (Photo by Doug Benc/Getty Images)

Head Coach Mike Shanahan of the Denver Broncos gathers the team together after training camp on July 31, 2007 at the Paul D. Bowlen Memorial Broncos Centre in Englewood, Colorado. (Photo by Steve Dykes/Getty Images)

Derrick Brooks #55 of the Tampa Bay Buccaneers takes a knee during training camp at Disney's Wide World of Sports on August 1, 2007 in Orlando, Florida. (Photo by Doug Benc/Getty Images)

Running back Cory Schlesinger #30 of the Miami Dolphins works out during training camp at Nova Southeastern University on August 2, 2007 in Davie, Florida. (Photo by Doug Benc/Getty Images)

Offensive tackle Robert Gallery #76 stretches as the Oakland Raiders start their training camp at the Marriott Hotel in Napa, California. (Photo by Greg Trott/Getty Images)

Jamal Lewis #31 of the Cleveland Browns goes through drills during training camp at the Cleveland Browns Training and Administrative Complex on July 31, 2007 in Berea, Ohio. (Photo by Gregory Shamus/Getty Images)

Quarterback Jay Cutler #6 of the Denver Broncos speaks with Assistant Head Coach/Quarterbacks Mike Heimerdinger after workouts at training camp on July 31, 2007 at the Paul D. Bowlen Memorial Broncos Centre in Englewood, Colorado. (Photo by Steve Dykes/Getty Images)

Ben Roethlisberger #7 of the Pittsburgh Steelers looks on with Hines Ward #86 during training camp at St. Vincent College on August 8, 2007 in Latrobe, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

Mike Tomlin, head coach of the Pittsburgh Steelers, talks with the media following a day of practice during training camp at St. Vincent College on August 8, 2007 in Latrobe, Pennsylvania. (Photo By Gregory Shamus/Getty Images)

Mike Tomlin, head coach of the Pittsburgh Steelers, talks with Hines Ward #86 during training camp at St. Vincent College on August 8, 2007 in Latrobe, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - AUGUST 13: Calvin Johnson #81 of the Detroit LIons runs a rout during training camp at the Detroit Lions Headquarters and Training Facility on August 13, 2007 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - AUGUST 13: Mike Martz offensive coordinator of the Detroit Lions talks to J.T. Osullivan #14 during training camp at the Detroit Lions Headquarters and Training Facility on August 13, 2007 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)