‘Moments I still play for’ - Djokovic battles past world number two Zverev

NFL Week 4 questions, takeaways: Colts defeat the Commanders in London. Our NFL Nation reporters react to all the action, answering the biggest questions coming out of each Sunday game. Here's what we learned from Week 4.

Bengals star WR Chase suffers concussion against Jaguars. Bengals wide receiver Ja'Marr Chase has been ruled out of Sunday's game against the Jaguars with a concussion.

Eagles RB Barkley won't return vs. Rams due to hamstring injury. Eagles running back Saquon Barkley has been ruled out of Sunday's game against the Rams with a hamstring injury.

Mizzou rises, Florida falls after showdown; AP top 5 stand pat. Missouri jumped to No. 14 in the AP Top 25 following its rout of Florida, while the Gators dropped eight spots to No. 16 and were replaced by LSU in the top 10.

Bills WR Moore injures shoulder, unlikely to return vs. Patriots. Bills wide receiver D.J. Moore is doubtful to return for the second half against the Patriots due to a shoulder injury.

Braves switch to Kerr for Game 2 vs. Dodgers, push Sale to Game 3. The Braves have adjusted their pitching plans against the Dodgers, instead starting Ray Kerr in Game 2 on Sunday and pushing back Chris Sale to Game 3.