Quarterback Ryan Tannehill was injured on the Miami Dolphins' second possession of the game. The Indianapolis Colts lost cornerback Vontae Davis to a sprained left knee on the Tennessee Titans' opening drive.
At least Tannehill and Davis each got to celebrate a victory — Kansas City quarterback Brady Quinn got hurt in the first half of the Chiefs' 26-16 loss to the Oakland Raiders.
Miami turned to Matt Moore after Tannehill injured his left knee and quadriceps muscle on a sack by Calvin Pace, and Moore threw a touchdown pass to Anthony Fasano to help the Dolphins beat the New York Jets 30-9 on Sunday for their third straight victory.
Coach Joe Philbin had no immediate word on the severity of the injury, saying Tannehill would be evaluated after the Dolphins arrived home. Moore filled in nicely, finishing 11 of 19 for 131 yards after Tannehill was 2 of 5 for 18 yards.
Tannehill was drafted with the eighth overall pick, which made him the first quarterback taken in the opening round by the Dolphins since Dan Marino in 1983. He beat out Moore for the starting job during training camp.
Davis went down defending Chris Johnson on a run during Indianapolis' 19-13 overtime victory at Tennessee. He stayed on the field for a couple minutes before walking off. He was replaced by Cassius Vaughn.