The NFL : Instant Guide
"The holy grail": That's how one doctor describes a new technique to diagnose neurodegenerative disease in football players.

The NFL's concussion epidemic: Finally, a major breakthrough?

UCLA researchers say they can now use PET scans to identify brain damage in players while they're still alive

Extreme Sports : Essay
A dogsled team pull their musher through a frozen tundra.

Dogsled racing across a frozen ocean

What fuels a dogsled race across the Russian tundra? Booze, anger, and desire

The NFL : Analysis
Rob Gronkowski, the NFL's best tight end, is out for the rest of the postseason with a broken arm.

Why the Patriots don't need Rob Gronkowski

Even without the league's best tight end, the Patriots still have the league's most terrifying offense

Sports : Analysis
Notre Dame star Manti Te'o found out his dead girlfriend was a hoax back in Dec. 2012, but kept the news to himself.

The alleged Manti Te'o dead-girlfriend hoax: Is it the media's fault?

Deadspin drops a bombshell with a story saying the Notre Dame football star's lost love never existed

Sports : The List
Lance Armstrong: After finishing the Power of Four Mountain Bike Race in Colorado, Aug. 25, 2012.

What Lance Armstrong could gain from confessing to Oprah

The Associated Press reports that the disgraced cycling champ has admitted to doping. If it's true, why now?

Sports : Sports
Barry Bonds tips his cap to the crowd as he walks off the field during his last game as a member of the San Francisco Giants on Sept. 26 2007.

The Hall of Fame's ridiculously unfair double standards

Had Craig Biggio cheated, voters would have spurned him. By not cheating, he failed to stand out

The NFL : Sports
On Monday, Alabama quarterback A.J. McCarron got shoved by center Barrett Jones.

WATCH: 7 times athletes fought their teammates

A.J. McCarron, you're not alone

Sports : Sports
A Detroit Red Wings fan offers a silent protest during a Detroit Lions football game on Dec. 30.

The NHL lockout ends — but will fans come back?

After a devastating 113-day lockout, the NHL faces a daunting task in winning back the loyalty of millions of disgruntled fans

Sports : The List
The aging basketball star can get a little, shall we say, excited.

A brief history of Kobe Bryant tirades

The Lakers star is one of the best players of his generation. He's also one of the most outspoken

Sports : Analysis
David Ortiz: Baseball's premiere designated hitter.

Why baseball's National League should adopt the DH

Designated hitters don't ruin America's pastime — they make it more fun to watch

The NFL : Analysis
Buffalo Bills linebacker Bryan Scott (center) celebrates an interception during a Dec. 30 home game.

The Bills milked Buffalo for everything — and they'll do it again

Taxpayers are paying hundreds of millions of dollars to keep the Bills in Buffalo. And within the decade, they'll probably have to pony up again

Sports : The List
Jeremy Lin in a Knicks uniform: Don't expect to see this again.

The 10 sports stories that defined 2012

Linsanity, the London Games, and the fall of Lance Armstrong all made for quite a year

The NFL : Sports
Last year the Indianapolis Colts had two wins and 14 losses. Under rookie Andrew Luck's leadership this year, they're 9-5 and almost certainly playoff-bound.

Why more NFL teams should start rookie QBs

Andrew Luck, Robert Griffin III, and Russell Wilson are on the verge of making playoff history

Sports : Sports
Cy Young award winner R.A. Dickey throws just one pitch well: The knuckle ball.

Why the Mets should trade R.A. Dickey, but probably won't

The 38-year-old knuckle-baller just won the Cy Young award. He's unlikely to repeat that feat

Sports : Analysis
FC Barcelona's Lionel Messi: The greatest of all time?

Is Lionel Messi the best soccer player of all time?

The diminutive genius breaks the record for the most goals scored in a calendar year — and is being talked up (again) as the sport's ultimate hero

Sports : Sports
Wil Myers: The next Mike Trout?

How the Tampa Bay Rays hosed the Kansas City Royals

In a mind-boggling trade, the Royals shortsightedly cough up cheap young talent in exchange for a couple of aging arms

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