Las Vegas Raiders quarterback Kirk Cousins (8) talks with Raiders center Tyler Linderbaum (65) on the sideline during the second half of a preseason NFL football game against the Arizona Cardinals, Thursday, Aug. 13, 2026, in Las Vegas. (AP Photo/David Becker)

Las Vegas Raiders quarterback Fernando Mendoza (15) sits on the bench during the second half of an NFL preseason football game against the Houston Texans, Thursday, Aug. 20, 2026, in Houston. (AP Photo/David J. Phillip)

Las Vegas Raiders quarterback Fernando Mendoza (15) hands off to Las Vegas Raiders running back Mike Washington Jr. (30) during the first half of an NFL preseason football game against the Houston Texans, Thursday, Aug. 20, 2026, in Houston. (AP Photo/Ashley Landis)

Cleveland Browns quarterback Deshaun Watson warms up before a preseason NFL football game against the Buffalo Bills, Saturday, Aug. 22, 2026, in Cleveland. (AP Photo/Carolyn Kaster)

Buffalo Bills defensive lineman DeWayne Carter (90) tips a pass from Cleveland Browns quarterback Deshaun Watson (4) during the second half of an NFL preseason football game, Saturday, Aug. 22, 2026, in Cleveland. (AP Photo/Carolyn Kaster)

Cleveland Browns quarterback Deshaun Watson speaks at a press conference after an NFL preseason football game against the Buffalo Bills, Saturday, Aug. 22, 2026, in Cleveland. (AP Photo/Carolyn Kaster)

Cleveland Browns tight end Dae'Quan Wright warms up before a preseason NFL football game against the Buffalo Bills, Saturday, Aug. 22, 2026, in Cleveland. (AP Photo/Carolyn Kaster)

(FILES) Seattle Seahawks' running back #09 Kenneth Walker III is stopped by New England Patriots' cornerback #07 Carlton Davis III while rushing the ball during Super Bowl LX between the New England Patriots and the Seattle Seahawks at Levi's Stadium in Santa Clara, California on February 8, 2026. At least a quarter of National Football League players may end up with a degenerative brain disease, according to a new study published on August 25, 2026, that lays bare the extreme toll of America's favorite sport. Chronic traumatic encephalopathy (CTE) is caused by repeated head impacts and its symptoms include trouble with thinking and memory loss, difficulty walking, emotional instability and suicidal thoughts. (Photo by JOSH EDELSON / AFP via Getty Images)