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Matthew Stafford's Week 15 status could be an unknown quantity until game day.

With the Detroit Lions quarterback set to miss another practice due to a rib injury he suffered in Week 14, interim coach Darrell Bevell said he's prepared for the veteran to sit out the rest of the week.

"Gonna take it to the end of the week. Gonna see how he does. I'm totally comfortable with him not practicing and (then) playing in the game, I've seen him do it," Bevell told reporters Wednesday, .

¹ú²úÍâÁ÷ÍøNetwork's Tom Pelissero reported on Tuesday's edition of ¹ú²úÍâÁ÷ÍøTotal Access that Stafford practicing this week was unlikely as he is dealing with a piece of broken cartilage between his ribs. Should Stafford be ruled out, backup Chase Daniel would get the start.

In other news, center Frank Ragnow could miss Week 15 after suffering a fractured throat in the first quarter against the Packers on Sunday, ¹ú²úÍâÁ÷ÍøNetwork Insider Ian Rapoport reported, via an informed source. Ragnow, who did not miss a single snap in the loss, has played the most snaps at center in the ¹ú²úÍâÁ÷Íøthis season.

Detroit also announced that it has signed free agents running back Jordan Scarlett and QB Jordan Ta'amu to the practice squad and released RB Dalyn Dawkins and punter Arryn Siposs from the practice squad.

Here's other injury and roster news we're tracking on Wednesday:

• Washington Football Team quarterback Alex Smith (calf) was on the field for practice, Rapoport reported. He added that it was possible Smith could have done individual drills if he felt good enough but, considering that his injury requires rest and rehab instead of reps, no one was pushing Smith to practice. The team later confirmed that Smith did not participate in practice.
• The San Francisco 49ers opened the practice window for tight end George Kittle. The TE hasn't played since Week 8 after fracturing his foot. San Francisco also placed offensive lineman Colton McKivitz on the reserve/COVID-19 list. Running back Raheem Mostert (ankle) did not practice on Wednesday, while linebacker Fred Warner (stinger) and cornerback K'Waun Williams (ankle) were limited. Head coach Kyle Shanahan announced quarterback Nick Mullens will remain the team's starter for Sunday's game against the Cowboys.
• Las Vegas Raiders coach Jon Gruden announced that defensive backs Johnathan Abram and Damon Arnette, linebacker Nicholas Morrow and defensive end Clelin Ferrell are out for Thursday's game against the Chargers.
• The L.A. Chargers listed offensive lineman Bryan Bulaga (concussion) as out, safety Nasir Adderley and linebacker Denzel Perryman (back) as doubtful and running back Austin Ekeler (quad), receiver Mike Williams (back) and defensive end Uchenna Nwosu (back/shoulder) as questionable for TNF versus Raiders.
• The Carolina Panthers announced receiver has been activated off the reserve/COVID-19 list. Moore, who was placed on the list last week, missed the Week 14 loss to the Broncos. He is expected to play against Green Bay on Saturday. The team announced running back (thigh), guard (calf) and safety (illness) did not practice.
• Atlanta Falcons receiver Julio Jones, safety Ricardo Allen, offensive lineman Kaleb McGary and cornerback Darqueze Dennard (quad) did not practice. Jones (hamstring), Allen (concussion) and McGary (personal matter) did not play in Week 14. Also, WR Calvin Ridley (foot) was limited.
• New Orleans Saints receivers Michael Thomas (ankle) and Deonte Harty (neck) did not practice. Offensive linemen Ryan Ramczyk (elbow) and Andrus Peat (foot) were limited.
• Indianapolis Colts punter practiced 16 days after having surgery to remove a cancerous tumor, per coach Frank Reich. Sanchez also has a chance to play on Sunday, Reich noted. Tight ends (knee) and (knee) were both added to the injury report as non participants.
• Minnesota Vikings coach Mike Zimmer provided a minimal update on injured linebacker (calf). When asked if Kendricks, who's missed the last two games, will play Sunday against the Bears, Zimmer replied, "We'll see," according to . Kendricks, fullback C.J. Ham (quad), running back Alexander Mattison and tight end Kyle Rudolph (foot) did not practice. The team waived cornerback and signed practice squad linebacker to the active roster.
• New York Giants coach Joe Judge told reporters that quarterback Daniel Jones, who injured his hamstring a couple weeks ago, is dealing with "another lower leg issue" on top of some "bumps and bruises" he sustained in Week 14. Rapoport reported, via a source familiar with the situation, that Jones is dealing with a sprained ankle he suffered in the second quarter against the Cardinals. Jones' Week 15 status is in doubt, Rapoport added. Jones was limited in practice Wednesday.
• Tampa Bay Buccaneers coach Bruce Arians said they'll wait and see if running back Ronald Jones can play Sunday after having a procedure to put pin in his fractured finger. Arians added that Leonard Fournette is expected to carry the load if Jones can't play. The team later announced Jones has been placed on the reserve/COVID-19 list. Linebacker Jason Pierre-Paul (knee) did not practice and cornerback Jamel Dean (groin) was limited.
• Cleveland Browns coach Kevin Stefanski said tight end Austin Hooper (neck) and cornerback Denzel Ward (calf) are returning to practice. Ward hasn't played since Week 11 while Hooper sustained his injury in practice late last week and ended up missing Week 14. Stefanski also said that guard Wyatt Teller (ankle) and safety Andrew Sendejo (concussion) will not practice.
• New England Patriots receiver returned to practice on Wednesday. Edelman has been sidelined by a knee injury since Week 7.

• The Green Bay Packers listed linebacker (ankle/thumb), receiver (core), tight end (knee) and cornerback (achilles/groin) as limited in practice.
• Chicago Bears coach Matt Nagy said cornerback is day-to-day with a shoulder injury and CB remains in concussion protocol.
• The Miami Dolphins activated running back off the reserve/COVID-19 list. Tight end (shoulder) and safety (ankle) did not practice while receivers (hamstring) and (hamstring), along with linebacker (hip) and guard (ankle) were limited.
• The Cincinnati Bengals placed defensive tackle (right shoulder) on injured reserve. Rapoport reported, per an informed source, that Atkins is set to undergo surgery to repair an injury that's plagued him the entire season. The 11-year vet appeared in eight games this season and recorded one tackle and one QB hit. The team also elevated defensive end to the active roster from the reserve/COVID-19 list. Bledsoe had been on the list since Dec. 6.
• The Jacksonville Jaguars have designated cornerback and offensive lineman for return from IR. Jacksonville has 21 days to activate Claybrooks and Norwell to the 53-man active roster. Claybrooks (core muscle) was placed on IR on Nov. 26. Norwell (forearm) landed on IR two days later. The Jags also announced cornerback has been added on the reserve/COVID-19 list and OL (ankle) will be placed on IR. Rookie running back James Robinson (knee) was limited on Wednesday.
• Kansas City Chiefs coach Andy Reid said linebacker (knee) and offensive linemen (back) and (tight back) didn't practice.
• The Arizona Cardinals designated tight end (ankle) and defensive lineman (hamstring) to return from IR. Both were placed on the list on Nov. 28. Arizona listed running back (ankle), kicker (back) and cornerback hamstring) as DNPs. Coach Kliff Kingsbury told reporters Edmonds would be a game-time decision on Sunday.
• The Denver Broncos signed cornerback Parnell Motley off the 49ers' practice squad and activated quarterback Jeff Driskel from the reserve/COVID-19 list.
• Houston Texans interim coach Romeo Crennel told reporters running back David Johnson is back in the building after being on reserve-COVID-19 list as a close contact. Houston later announced Johnson has been officially activated off the list; he did not practice. Receiver Brandin Cooks (neck) and RB Duke Johnson (neck) practiced in a limited capacity. Also, defensive tackle Brandon Dunn (hip) and safety Justin Reid (hand) were placed on IR.
• The Dallas Cowboys activated cornerback off the reserve/COVID-19 list, designated CB rookie to return from IR and added center to the practice squad. Running back Ezekiel Elliott (calf) did not practice on Wednesday.
• The Philadelphia Eagles have promoted defensive back from the practice squad to the active roster and placed safety on IR. The Eagles also signed S to the practice squad. Cornerbacks (knee) and (concussion) did not participate at practice.
• The New York Jets have designated running back (high-ankle sprain) and kicker (groin) to return to practice. Both were placed on IR on Nov. 24. The team also placed placed linebacker and safety on injured reserve. Wideout Jamison Crowder did not practice on Wednesday due to a calf injury.
• Los Angeles Rams wide receiver Robert Woods (thigh) did not practice Wednesday.
• Baltimore Ravens defensive end Calais Campbell (calf), cornerback Marcus Peters (calf) and cornerback Jimmy Smith (ribs/shoulder) did not practice Wednesday.