A security officer retrieves the helmet of New York Giants running back Brandon Jacobs from the stands during an NFL football game against the Indianapolis Colts in Indianapolis, Sunday, Sept. 19, 2010. Jacobs apologized for unintentionally throwing his helmet into the stands in the third quarter Sunday night in the Giants' loss to the Indianapolis Colts. (AP Photo/Darron Cummings)
FILE - This Sept. 19, 2010, file photo shows Detroit Lions running back Jahvid Best running against the Philadelphia Eagles, in Detroit. The rookie has already scored five touchdowns in his first two games, and he had 232 yards from scrimmage in Sunday's loss to Philadelphia. (AP Photo/Rick Osentoski, File)
Green Bay Packers linebacker Clay Matthews sacks Buffalo Bills quarterback Trent Edwards (5) during the first half of an NFL football game Sunday, Sept. 19, 2010, in Green Bay, Wis. (AP Photo/Jim Prisching)
Dallas Cowboys quarterback Tony Romo (9) and teammates walk off the field following a fumble by Roy E. Williams late in an NFL football game against the Chicago Bears, Sunday, Sept. 19, 2010, in Arlington, Texas. The Bears won 27-20. (AP Photo/Sharon Ellman)
Carolina Panthers' Matt Moore (3) throws a pass under pressure from Tampa Bay Buccaneers' Stylez White (91) in the first quarter of an NFL football game in Charlotte, N.C., Sunday, Sept. 19, 2010. (AP Photo/Chuck Burton)
FILE - This Sept. 19, 2010, file photo shows Detroit Lions running back Jahvid Best (44) pointing to the crowd after scoring a touchdown in the first half of an NFL football game against the Philadelphia Eagles, in Detroit. The rookie has already scored five touchdowns in his first two games, and he had 232 yards from scrimmage in Sunday's loss to Philadelphia. (AP Photo/Rick Osentoski, File)
FILE - This Sept. 19, 2010, file photo shows Tennessee Titans running back Chris Johnson (28) getting past Pittsburgh Steelers defensive end Aaron Smith (91) in the third quarter of an NFL football game, in Nashville, Tenn. Figuring out how to stop the Tennessee Titans starts _ and ends _ with Chris Johnson. No NFL defense wants to be beaten by the last man to run for 2,000 yards in a season. (AP Photo/John Russell, File)
Minnesota Vikings quarterback walks off the field after the Vikings drive stalled against the Miami Dolphins in the fourth quarter with Vikings Eric Frampton kneeling during their NFL football game in Minneapolis Sunday, Sept. 19, 2010. The Dolphins beat the Vikings 14-10.(AP Photo/Andy King)
New York Jets cornerback Darrelle Revis (24) tackles New England Patriots wide receiver Wes Welker (83) during the second quarter of an NFL football game at New Meadowlands Stadium in East Rutherford, N.J., Sunday, Sept. 19, 2010. Revis left the game later in the quarter. (AP Photo/Bill Kostroun)
Washington Redskins running back Clinton Portis is stopped short of the goal line by Houston Texans linebacker DeMeco Ryans during the first half of an NFL football game in Landover, Md., on Sunday, Sept.. 19, 2010. Portis scored on the next play. (AP Photo/Nick Wass)
Houston Texans wide receiver Andre Johnson celebrates a touchdown as Washington Redskins safety Reed Doughty reacts in the background during the second half an NFL football game in Landover, Md., on Sunday, Sept. 19, 2010. (AP Photo/Evan Vucci)
Baltimore Ravens coach John Harbaug complains to field judge Bob Waggoner during the second half of an NFL football game against the Cincinnati Bengals, Sunday, Sept. 19, 2010, in Cincinnati. (AP Photo/Ed Reinke)
A cover is lifter to reveal the name of Jim Brown as the Cleveland Browns honored 16 Hall of Fame players in their Ring of Honor at halftime of an NFL football game between the Browns and Kansas City Chiefs Sunday, Sept. 19, 2010, in Cleveland. (AP Photo/Mark Duncan)
FILE - This Jan. 1, 2008, file photo shows Ken Johnson, left, and an unidentified assistant cooking food on the hood of his car while tailgating at the Winter Classic at Ralph Wilson Stadium in Orchard Park, N.Y. No longer feeling welcome in the main parking lot, Ken Johnson is taking his popular NFL football tailgating party elsewhere after spending the past 14 years in the same spot. (AP Photo/David Duprey, File)
ASSOCIATED PRESS In this Sept. 3, 2009, photo, Denver Broncos wide receiver Kenny McKinley runs during a preseason NFL football game against the Arizona Cardinals in Denver. The Arapahoe County Sheriff says McKinley has been found dead in his Centennial, Colo., home Monday, Sept. 20, 2010. Sheriff Grayson Robinson says detectives are investigating the death.
ASSOCIATED PRESS Houston Astros Brian Bogusevic (19) hits a double during the third inning of a baseball game against the Washington Nationals on Monday, Sept. 20, 2010 in Washington. At right is Washington Nationals catcher Wilson Ramos.