Here is a list of players who were injured during Week 4 in the NFL.
Leonard Fournette, RB, Jaguars - Hamstring (Out)
Tyler Eifert, TE, Bengals - Right Leg (Out)
Eifert suffered a gruesome ankle/foot injury against the Falcons. He was carted off the field and is unlikely to return.
Rob Gronkowski, TE, Patriots - Ankle (Questionable)
Gronkowski was ruled questionable to return after suffering an ankle injury against the Dolphins.
Joe Staley, OT, 49ers - Knee (Out)
Dante Pettis, WR, 49ers - Knee (Out)
T.Y. Hilton, WR, Colts - Hamstring (Out)
Colts wide receiver T.Y. Hilton was ruled questionable to return to Sunday's contest against the Texans after injuring his chest on a 40-yard catch. He would later return. He later suffered a hamstring injury, and did not return.
Mike McGlinchey, OT, 49ers - Knee (Questionable)
McGlinchey injured his knee and was ruled questionable to return vs. the Chargers.
Donald Penn, OT, Raiders - Leg (Out)
The Raiders ruled Penn out with a leg injury during the second half vs. the Browns.
Russell Okung, OT, Chargers - Groin (Questionable)
Okung was ruled questionable to return after suffering a groin injury vs. the 49ers.
Vic Beasley, DE, Falcons - Ankle (Questionable - Returned to Game)
Grady Jarrett, DL, Falcons - Ankle (Questionable)
Jarrett injured his ankle and was ruled questionable to return against the Bengals.
Travis Benjamin, WR, Chargers - Foot (Questionable)
The Chargers ruled Benjamin questionable to return after injuring his foot in the first quarter against the 49ers.
O.J. Howard, TE, Bucs - Knee (Questionable)
Howard was ruled questionable to return with a knee injury vs. the Bucs.
Brandon Linder, C, Jaguars - Back (Out)
Micah Hyde, DB, Bills - Groin (Out)
Tavon Austin, WR/RB, Cowboys - Shoulder (Questionable)
Austin was ruled questionable to return after suffering a shoulder injury during the first half vs. the Lions.
Jeff Heath, S, Cowboys - Shoulder (Questionable)
Heath was ruled questionable to return after sustaining an injury during the second half vs. the Lions.
Antwaun Woods, DT, Cowboys - Calf (Questionable)
Woods was ruled questionable to return due to a calf injury he sustained in the first half vs. the Lions.
Will Dissly, TE, Seahawks - Knee (Out)
The Seahawks ruled Dissly out after he suffered a knee injury in the first half against the Cardinals.
Will Fuller, WR, Texans - Hamstring (Questionable)
Fuller was ruled questionable to return vs. the Colts due to a hamstring injury.
T.J. Lang, RG, Lions - Concussion (Out)
Lang was ruled out during the first quarter after being diagnosed with a concussion.
Jaire Alexander, CB, Packers - Groin (Questionable)
Alexander was ruled questionable to return after sustaining a groin injury against the Bills.
Geronimo Allison, WR, Packers - Concussion Protocol (Unknown)
Allison was evaluated for a concussion duirng the second half against the Bills.
Daniel Kilgore, C, Dolphins - Arm (Questionable)
The Dolphins ruled Kilgore questionable after he suffered an arm injury in the first half vs. Patriots.
Morris Claiborne, CB, Jets - Stomach (Questionable)
Claiborne was ruled questionable to return vs. the Jaguars due to a stomach injury that occurred in the first half.
Sam Acho, LB, Bears - Pectoral (Out)
The Bears ruled Acho out with a pectoral injury vs. the Buccaneers.