• In this Dec. 20, 2015, file phoo, New York Giants wide receiver Odell Beckham (13) and Carolina Panthers' Josh Norman (24) grapple during the first half of an NFL football game  in East Rutherford, N.J. In response to the season's violent outbursts by Giants receiver Odell Beckham Jr., Bengals linebacker Vontaze Burfict and others, NFL Commissioner Roger Goodell suggested a rule might be passed that would call for an automatic ejection if a player receives two personal fouls in a game.  (AP Photo/Julie Jacobson, File)

    Despite troubles aplenty, NFL and Super Bowl popular as ever

    SAN FRANCISCO (AP) β€” The headlines hit in a persistent stream this season, and the onslaught only grew steadier as the Super Bowl approached.

  • Houston Texans Defensive End J.J. Watt appears at a Super Bowl event promoting the Verizon Virtual Reality Game Winner Experience on Thursday, Feb. 4, 2016, in San Francisco. Watt said he’s knows concussions are part of the risk of playing football. (AP Photo/John Carucci)

    J.J. Watt feels concussions are an expected injury

    SAN FRANCISCO (AP) β€” Houston Texans defensive end J.J. Watt says he knew concussions were a risk when he decided to play football, so he’s not any more alarmed by the studies of prolonged head trauma suffered by NFL players.

  • In this Feb. 1, 2016 photo, a technician from the British biotec company Oxitec, inspects the pupae of genetically modified Aedes aegypti mosquitoes, a vector for transmitting the Zika virus, in Campinas, Brazil. The company said tests begun last April as part of a dengue-fighting program in the small southeastern city of Piracicaba suggested the release of the GM males reduced the wild Aedes larvae population in the target neighborhood by more than 80 percent. Brazil is in the midst of a Zika outbreak and authorities say they have also detected a spike in cases of microcephaly in newborn children, but the link between Zika and microcephaly is as yet unproven. (AP Photo/Andre Penner)

    British Olympic Association providing guidance on Zika

    LONDON (AP) β€” The British Olympic Association says it will provide medical guidance to athletes about the Zika virus ahead of the Olympics in Rio de Janeiro.