Dr. Allen Sills, right, the NFL's chief medical officer, speaks as Jeff Miller, the league's executive vice president of health and safety initiatives, looks on during a news conference at the NFL Fall League Meeting, Tuesday, Oct. 15, 2019 in Fort Lauderdale, Fla. The NFL says the number of concussions in exhibition games this year rose to 49 from 34 in 2018, an increase of 44 percent and a setback in efforts to reduce brain trauma. (AP Photo/Wilfredo Lee)

Atlanta Falcons president and CEO Rich McKay, left, a member of the NFL competition committee, speaks as NFL executive vice president Troy Vincent, right, looks on during a news conference at the NFL Fall League Meeting, Tuesday, Oct. 15, 2019 in Fort Lauderdale, Fla. NFL owners begin two days of meetings Tuesday with formal bargaining talks on a new collective bargaining agreement expected to resume soon. (AP Photo/Wilfredo Lee)