According to the data, which is gathered and analyzed by the independent company IQVIA (formerly called Quintiles) and also provided to the NFL Players Association, players suffered 281 concussions during the preseason and regular season. That is an increase of 15.6 percent over the 243 diagnosed concussions suffered by players during the 2016 preseason and regular season.

It also is the highest number of concussions suffered by players in a season since at least 2012. According to the data provided by the league, there were 261 concussions suffered by players in 2012, 229 in 2013, 206 in 2014 and 275 in 2015.