Demaryius Thomas had C.T.E. when he died in December at 33, but the posthumous diagnosis alone does not explain what role football had in the charismatic N.F.L. star’s quick decline.
Tom Brady, Aaron Rodgers and Russell Wilson all made decisions that shifted plans around the league and reinforced the value of having a franchise quarterback.
Wilson led the Seattle Seahawks to back-to-back Super Bowl appearances, winning one, but had taken issue with being left out of personnel decisions.
The Bears, Vikings and Broncos all fired their coaches after losing seasons and prepared to remake their franchises. In a surprising move, so did the Dolphins, who finished with a winning record.
Angling for the top seed in the A.F.C. with a win, Kansas City’s much maligned defense forced a fumble and returned it for a third-quarter touchdown.
After playing and coaching with the Dallas Cowboys, he went on to great success — if no championships — with the Denver Broncos and the Atlanta Falcons.
Teams get two tools to deal with the coronavirus surge: shorter quarantines for players who test positive and no Thursday night games.
Mr. Thomas, 33, played as a wide receiver in the National Football League for 10 seasons and helped lead the Broncos to victory in the Super Bowl in 2016. He retired in June.
Kansas City looks to gain separation in the tight A.F.C. West, and the Bills will try to retake the A.F.C. East from the Patriots.
The gulf between the two conferences will show when Kansas City and the Las Vegas Raiders vie in the jammed A.F.C. West, and the Cleveland Browns try to derail the Patriots, while the Rams roll.
King Henry’s court helped Tennessee take down Kansas City, Chicago’s aimlessness was on display again, and middling quarterback plans caught up to Denver and Washington.
Justin Herbert and Lamar Jackson play for A.F.C. supremacy, the Cardinals travel to Cleveland looking to go 6-0, and the Packers meet the rival Bears.
Bill Belichick sees a path toward making the Patriots a dynastic contender again, the Cowboys’ talent got a chance to shine, and Sam Darnold looks … happy.
The Kansas City Chiefs fortified their offensive line in pursuit of another championship, but the Bills, Browns and a bevy of first-year starters should shake up the order.
Receiver Kendall Hinton was a last resort fill-in when four Denver Broncos quarterbacks were ruled ineligible to play in Sunday’s game because they’d been exposed to the coronavirus.
The 49ers would need to train away for the headquarters for three weeks under an order from local health officials. The Broncos have none of their quarterbacks available for their game on Sunday.
Conventional football wisdom suggests player health would benefit from either more — or less — preparation.
He was a college star in three sports and a successful N.F.L. executive. But he was better known as the only player who ever pinch-hit for Ted Williams.
“I’m literally bear-hugging another creature on the other side of the ball every single play,” Leo Koloamatangi, a Jets offensive lineman, said. “If that guy has any symptoms, I’m going to get them.”
Von Miller of the Denver Broncos called the disease a “surreal” experience and said he struggled at first to workout. Other athletes have endured lingering lung and other health issues.
Deputies went to an apartment complex in Colorado early Saturday morning after receiving a report of gunfire inside a unit, officials said.