According to CBS sports more than 61% of former players had concussions during their time in the league. The study consisted of 1,094 former players, ranging from 27 to 86 years old. This leads me to the next affect which is player performance even though players come back doesn’t mean they perform great. The players that don’t usually perform great are the veterans (older player), and players that have had the injury before according to NFL outsider. And if there’s one rotten apple on the team then the whole tree is bad. The biggest effects is long term effects long term and short term effects is a big difference the short term ones can go away but the long term effects are rare but stay with you forever a big one is the tear of your brain tissue which can lead to brain cancer ( what happened to center Mike Webster) another is attention problems. Like what happened to Conor Bradely back in 2005 where Ray Lewi Hall Of Famer line backer sacked him and gave him a bad concussion he had attention problems he said he sometimes forgot how to tie his own shoe and throw