Sinfield: More dementia research needed By webmaster - December 21, 2020 413 0 Kevin Sinfield has warned against making assumptions regarding any link between concussions suffered playing rugby league and neurodegenerative disease. RELATED ARTICLES Sports Leclerc tops second practice in Malaysia but Red Bull impress Sports Pittsburgh Steelers @ Cleveland Browns | NFL highlights Sports ‘They’ll be hating each other!’ – Nelson: Don’t let AJ and Fury smiles fool you!