Latest from American Football

The science behind football concussions and brain damage is so compelling that President Obama says he wouldn't allow a son of his to play, writes Jack Tame.

A woman charged with killing a fellow fan at the end of an American Football game was angry the victim and others didn't seem upset enough over a loss, says the sister of the slain woman.

Sean Smith returned an interception 100 yards for a touchdown and Tamba Hali scored on an 11-yard fumble return in the Kansas City Chiefs' 23-13 win over the Buffalo Bills.

Indianapolis Colts quarterback Andrew Luck threw for three touchdowns and ran for another yesterday, outplaying predecessor Peyton Manning in a 39-33 win over the Denver Broncos.

It will have been closely watched by the New Zealand Rugby Players Association.

The NFL, gripped by fears its sport has fallen victim to reckless and damaging attitudes around defensive technique, has turned to rugby as a guiding light on safe and sustainable practice.

Joe Flacco has his Super Bowl MVP trophy and his first NFL championship ring and now the Baltimore Ravens quarterback says it is time to negotiate a new contract.

Supermodel Kate Upton's saucy Super Bowl advertisement has been criticised by a parenting group for "selling sexual objectification".

EA Sports delivers the latest Madden game, and couch quarterback Cameron McMillan calls the play.