National Football League
  • In this Sept. 29, 2013, file photo, Houston Texans running back Arian Foster (23) rushes for a gain against the Seattle Seahawks during the third quarter an NFL football game in Houston. Here's a new twist on fantasy sports: a San Francisco startup is offering fans a chance to bet on the moneymaking potential of star athletes. The unorthodox and risky investment opportunity kicked off Thursday, Oct. 17, 2013, with an IPO filing proposing to sell stock for a stake in the future income of Foster.

    The unusual investment opportunity kicked off with an IPO filing proposing to sell stock for a stake in the future income of the Houston Texans' Arian Foster.

    LAST UPDATE : Oct 18, 2013, 6:05 PM EDT
  • DENVER, CO - SEPTEMBER 5: Quarterback Peyton Manning #18 of the Denver Broncos follows through on one of seven touchdown passes thrown against the Baltimore Ravens during the game at Sports Authority Field at Mile High on September 5, 2013 in Denver Colorado.

    Peyton Manning threw a record-tying seven touchdown passes, something no one had done in 44 years, in directing Denver to a 49-27 victory over Baltimore.

    LAST UPDATE : Sep 06, 2013, 10:25 AM EDT
  • Cleveland Browns offensive lineman Ryan Miller is attended to by the team's medical staff after he suffered a concussion during NFL football training camp Saturday, July 27, 2013, in Berea, Ohio.

    New labor-contract rules limiting padded practices to one per day, while generally seen as helpful, are hardly a cure-all.

    LAST UPDATE : Aug 02, 2013, 5:53 PM EDT
  • In this Oct. 10, 2011 file photo, Chicago Bears middle linebacker Brian Urlacher (54) watches against the Detroit Lions in the first quarter of their NFL football game in Detroit. Urlacher says he's retiring after spending 13 seasons with the Bears. The eight-time Pro Bowler announced his retirement through social media accounts Wednesday, May 22, 2013.

    In a statement, the star linebacker for the Chicago Bears said, "After spending a lot of time this spring thinking about my NFL future, I have made a decision to retire."

    LAST UPDATE : May 22, 2013, 1:27 PM EDT
  • San Francisco 49ers football team owner John York, left, walks through a hotel with his son, 49ers CEO Jed York, during a break in the NFL spring meeting in Boston, Tuesday, May 21, 2013. Later Tuesday, owners will vote on the sites of the 50th and 51st Super Bowls. The San Francisco Bay Area and Florida are bidding for the 2016 game. The loser for that game will face Houston for the right to hold the 2017 Super Bowl.

    The 50th Super Bowl will be held in the San Francisco Bay Area and the NFL championship will go to Houston the following year.

    LAST UPDATE : May 21, 2013, 5:11 PM EDT
  • The NFL and Microsoft, through its next generation Xbox device, are combining to upgrade interactive TV viewing of pro football games in a multiyear agreement announced Tuesday.

    LAST UPDATE : May 21, 2013, 5:43 PM EDT