NFL injury data shows increase in reported concussionsThe NFL released injury data for the 2015 season Friday, and the number of concussions reported has jumped 32 percent.SI Staff|Share on FacebookShare on XAdd us on The NFL released injury data for the 2015 season Friday, and the number of concussions reported has jumped 32 percent.Published Jan 29, 2016 | Modified Jan 29, 2016SI STAFFShare on FacebookShare on XHome/NFL