Roger Goodell, the commissioner of the N.F.L., and DeMaurice Smith, the union chief, have sent a joint memo to players emphasizing that the league's performance-enhancing drugs policy is still in place and reaffirming their support for the policy. The memo comes in the wake of court decisions that blocked the N.F.L. from enforcing the suspension of two Minnesota Vikings for ... MORE

A big year for Adrian Peterson does not guarantee a successful one for the Vikings.... MORE

The football world has moved on, and most Giants fans have probably moved on, too, but a teary Plaxico Burress went to jail on Tuesday.... MORE

Running the ball has proved far less effective this season, as the Dolphins discovered against the pass-happy, quick-strike Colts on Monday night.... MORE

Monte Clark will be best remembered for taking a bunch of castoffs and molding them into one of the greatest units on one of the greatest teams in N.F.L. history.... MORE

The 49ers' strategy for filing tampering charges? They want to eliminate the Jets as a possible suitor for Michael Crabtree and stiff-arm other N.F.L. teams that may have an idea of whispering in Crabtree's ear.... MORE

Something for Jim Zorn to consider: Some of the more memorable moments in N.F.L. history have involved a quarterback coming to the rescue off the bench.... MORE

The Football Scientist takes a look at some Week 3 matchups for the Giants-Tampa Bay and Jets-Tennessee games.... MORE

Herschel Walker has signed a multifight contract with Strikeforce, a mixed martial arts organization that is trying to challenge the Ultimate Fighting Championship.... MORE

Fans who want to watch games on DirecTV are left with little choice about upgrading equipment.... MORE

Andy Benoit, a new contributor to The Fifth Down, wraps up Sunday's N.F.L. games in Week 2.... MORE

Flozell Adams tripped Giants defensive end Justin Tuck in the second quarter Sunday night after Tuck beat Adams on the line and tried to make his way toward quarterback Tony Romo.... MORE

Mike Tanier, a contributing editor at FootballOutsiders.com and a co-author of Pro Football Prospectus, will answer questions from readers today about strategy and statistics from Week 2 in the N.F.L.... MORE

The day after a loss to the Jets, the New England media react. Is it merely cloudy or is the sky falling?... MORE

The Jets' second consecutive impressive performance was helped along by a crowd that was louder than it had been in years. The game ball went to the fans, but it was Rex Ryan's day.... MORE

Reviews of Week 2 in the N.F.L., in the players' and coaches' own words.... MORE

The Giants-Cowboys game is always a big rivalry, but it may be a secondary story line to the official opening of the Cowboys' stadium.... MORE

The Jets hosted the Patriots in a rivalry game.... MORE

Tony Romo, considered a failure by some for not leading the Cowboys to a playoff victory, is accumulating statistics that are putting him alongside some of the game's greats.... MORE

The Giants' injury-depleted secondary will be challenged by Tony Romo and his favorite target, Jason Witten.... MORE

For the Jets to beat Brady and New England, pressure will be paramount.... MORE

Cleveland's Braylon Edwards talks about his scholarship program and his new coach.... MORE

Can bulletin board material -- like Kerry Rhodes's comments about trying to embarrass the Patriots -- affect wins and losses?... MORE

It's an unusually compelling Week 2 for the New York teams. Here are some matchups to watch.... MORE

Minnesota has multiple options with Percy Harvin. It is not about having hundreds of yards from scrimmage; it's about setting up Adrian Peterson to do that.... MORE

Bill Belichick reminisced about Giants Stadium, and also gave an interesting description of what it can be like to play for the Jets there.... MORE

A roundup of Giants news as they prepare to play the Cowboys on Sunday night.... MORE

Week 2 matchups in the N.F.L.... MORE

Jerry Jones has been unable to sell naming rights to his new stadium because of the recession. The building needs a name, or at least a nickname.... MORE

The ruling on Louis Murphy's non-touchdown catch violated the "looks-funny" rule. it looked like a touchdown. And it "looked funny" not to call it a touchdown.... MORE

Tom Brady still remembers visiting Giants Stadium in 2000, his rookie season. The Patriots ended up losing to the Jets, but the rivalry between the teams made an impression on young Brady, the rookie signal caller out of Michigan.... MORE

If Michael Crabtree can't reach an agreement with the 49ers and re-enters the draft next year, where would he be selected?... MORE

A look at a Top 10 list of New York sports moments in the last 10 years, but first a look at one of the worst.... MORE

The first coach that takes advantage of a more aggressive 4th-down doctrine could win a whole lot of games, and N.F.L. strategy could get a whole lot more interesting.... MORE

Hopefully, owners of Joe Flacco and Jeremy Shockey were paying attention last week. Here's who we like to put up solid numbers in Week 2 of fantasy football.... MORE

Some Jets fans got a phone call Wednesday morning from Rex Ryan and his message was clear: 'We need you.'... MORE

Patriots Head Coach Bill Belichick participated in one of his semi-annual conference calls with reporters covering the Jets on Wednesday, and he was as revealing as ever.... MORE

Rex Ryan is asking for raucous fan support against New England. Eric Mangini likes to keep things hush-hush.... MORE

The only thing more surprising than Mike Bell's 143 rushing yards for the Saints on Sunday was how far he had to go to get them.... MORE

The Eagles placed Shawn Andrews, a two-time Pro Bowl offensive lineman, on injured reserve, ending his season.... MORE