Former NFL RB LenDale White suffered 20-30 concussionsFormer USC and NFL running back LenDale White estimates he suffered 20-30 concussions during his playing career.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceFormer USC and NFL running back LenDale White estimates he suffered 20-30 concussions during his playing career.Add us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Sep 14, 2017 | Modified Sep 14, 2017SI STAFFShare on FacebookShare on XHome/NFL