Friday's health and safety news from the world of football:
- An NFL official said the league "recently renegotiated" its deal with official helmet supplier Riddell to have it conclude at the end of this season, according to ESPN.com.
- Engadget looked at Riddell's new helmet, InSite Impact Response System, a monitoring tool based on its own Head Impact Telemetry System and Sideline Response System technologies.
- The Oregonian reported that Hydro Graphics, of Newberg, Ore., the company that puts splashy designs on college football helmets, could take a financial hit if the NCAA takes the NFL's lead and limits colleges to one helmet per player per season for safety reasons.
- The Green Bay Packers donated $250,000 to a Green Bay high school for the redevelopment of its high school stadium, the team's official website reported.
- Chicago Bears wide receiver Brandon Marshall, who has overcome his mental health issues, appeared on MSNBC to raise awareness for mental health, CSN Chicago reported.
- The Associated Press looked at former NFL wide receiver Terrell Owens' goal of becoming a professional bowler.
- Former NFL quarterback Brett Favre told WSPZ-AM in Washington that he is worried about having memory issues following his football concussions and cannot recall his daughter's soccer season, USA Today reported.
- Quarterback Mike Reilly of the Canadian Football League Edmonton Eskimos, who has suffered multiple head injuries this season, said he accepts the risks of playing pro football, The Star Phoenix in Saskatoon, Saskatchewan reported.
-- Bill Bradley, contributing editor