More are choosing to play through their injuries. They're making an informed choice, and you can't necessarily fault them for it, but, as soon as they walk away, players will be completely honest, and there are many quotes from athletes saying they got concussed all the time but they wouldn't say anything because if you get two concussions in one season in an NFL career, you're basically done, because they see you as a concussion case.
On February 6th, 2019. See this statement in context.