Week 2 Injury Roundup: Jordy Nelson Out With Quad Injury; Greg Olsen Out With Foot Injury

Updates on all the biggest injuries from Week 2 in the NFL.

A number of NFL players left Sunday's action due to injury.

Browns rookie quarterback DeShone Kizer left his game against the Baltimore Ravens after experiencing a migraine headache. He was replaced in the lineup by backup Kevin Hogan.

Panthers tight end Greg Olsen also went to the locker room after a non-contact injury to his foot.

Below is a full list of injuries that we’re tracking.

DeShone Kizer, Browns – Migraine, Eligible to Return

The Browns rookie quarterback was replaced by Kevin Hogan.

Rob Gronkowski, Patriots – Groin, Questionable

Gronk had six catches for 116 yards before leaving with injury.

T.J. Watt, Steelers – Groin, Out

The Steelers rookie left in the first half vs. the Vikings

Greg Olsen, Panthers – Foot, Out

The Panthers top pass catcher has a right foot injury.

Marshal Yanda, Ravens – Ankle, Out

Baltimore's All–Pro guard won't return vs. Browns.

Cordy Glenn, Bills – Ankle, Questionable

Glenn is being evaluated after suffering injury in third quarter.

Jeremy Maclin, Ravens – Shoulder, Returned to Game

Maclin left in the first quarter of the game against the Cleveland Browns.

Rodney McLeod, Eagles - Hamstring, Questionable

The Eagles safety was seen limping off the field and heading toward the locker room.

Marcell Dareus, Bills – Ankle, Questionable

Dareus did not record a tackle before he left the game.

Kwon Alexander, Buccaneers – Hamstring, Doubtful

Alexander left Sunday's game against the Bears; Alexander also dealt with injury in preseason

Chidobe Awuzie, Cowboys - Hamstring, Probable

The Cowboys cornerback left Sunday's game against the Broncos but is expected to return.

Nolan Carroll, Cowboys - Concussion, Out

The Cowboys cornerback walked off the field against the Broncos with the help of a trainer. He returned in the second quarter after the game resumed following a weather delay. He then exited the game after a helmet-to-helmet collision with a teammate in the second quarter.

Josh Howard, Bears - Arm

The Bears running back left Raymond James Stadium with his right arm in a sling after Sunday's game against the Buccaneers, Brad Biggs of the Chicago Tribune reports.

Robert Kelley, Redskins - Rib, Out

The Redskins running back went to the locker room halfway through the second quarter of Sunday's game against the Rams. Mike Jones of The Washington Post reports Kelley has a possible rib fracture.

Eric Reid, 49ers - Knee, Questionable, Returned, Left Again in Third Quarter

The 49ers safety is questionable to return to Sunday's game against the Seahawks. He returned after halftime, but then left again in the third quarter.

Jamie Collins, Browns - Concussion

The Browns linebacker was diagnosed with a concussion after the team's game against the Ravens.

Jordan Reed, Redskins - Shoulder, Questionable

The Redskins tight end left during the third quarter of Sunday's game against the Rams. Mike Jones of The Washington Post reports he has an AC joint sprain in his shoulder.

Garett Bolles, Broncos - Leg, Out

The Broncos tackles and 2017 first-round pick was carted off the field in Sunday's game against the Cowboys. He could not put any weight on his left leg as he got onto the cart.

Bennie Fowler, Broncos - Concussion, Out

The Broncos wide receiver left Sunday's game against the Cowboys after landing on his head in the second quarter.

Jordy Nelson, Packers - Quad, Out

The Packers wide receiver left in the first quarter of Sunday's game against the Falcons.

Mike Daniels, Packers - Hamstring, Out

The Packers defensive tackle left on the first drive of Sunday's game against the Falcons.

Ryan Schraeder, Falcons - Concussion, Out

The Falcons tackle is left on the first drive of Sunday's game against the Packers.

Courtney Upshaw, Falcons - Ankle, Out

The Falcons linebacker left during the first quarter of Sunday's game against the Packers.

Vic Beasley, Falcons - Hamstring, Questionable

​The Falcons pass rusher left in the third quarter of Sunday's game against the Packers.

Randall Cobb, Packers - Shoulder, Questionable

The Packers wide receiver left in the fourth quarter of Sunday's game against the Falcons.