OWINGS MILLS, Md. โ Starting running back Alex Collins did not participate in Wednesdayโs walk-through as the Ravens continued preparations for their Week 13 showdown with Detroit.
The second-year back finished Mondayโs game without any apparent incident, but he is dealing with a calf injury, according to Wednesdayโs injury report. Collins rushed for 60 yards and a touchdown on 16 carries in the 23-16 win over Houston and was on the field for the final series of the contest.
Cornerback Marlon Humphrey (thigh), left tackle Ronnie Stanley (knee), and linebacker C.J. Mosley (ankle) were listed as limited participants in the walk-through practice. The rookie Humphrey was limited to just seven snaps against the Texans and missed time in the preseason because of a hamstring injury.
โHe had a little tweak in there. He has been battling some leg issues,โ said head coach John Harbaugh after Mondayโs game. โI just decided letโs play it safe. Thatโs the good thing about having some depth, but we want him out there.โ
Meanwhile, the Lions listed standout quarterback Matthew Stafford as a full participant, which should eliminate any remaining doubt about his status for Sunday. He hurt his ankle in his teamโs Thanksgiving loss to Minnesota, but he was able to return to the game.
Detroit running back Ameer Abdullah (neck) and recently-added pass rusher Dwight Freeney did not participate in Wednesdayโs practice.
Below is the first full injury report of the week:
BALTIMORE
DID NOT PARTICIPATE: RB Alex Collins (calf), OL Jermaine Eluemunor (shoulder)
LIMITED PARTICIPATION: CB Marlon Humphrey (thigh), LB C.J. Mosley (ankle), CB Jimmy Smith (Achilles), OT Ronnie Stanley (knee)
DETROIT
DID NOT PARTICIPATE: RB Ameer Abdullah (neck), CB Jamal Agnew (knee), DE Dwight Freeney (non-injury), G T.J. Lang (foot), C Travis Swanson (knee)
FULL PARTICIPATION: QB Matthew Stafford (ankle), RB Dwayne Washington (hip)
Ravens running back Collins misses practice with calf issue

Luke Jones
Luke Jones is the Ravens and Orioles beat reporter for WNST BaltimorePositive.com and is a PFWA member. His mind is consumed with useless sports knowledge, pro wrestling promos, and movie quotes, but he often forgets where he put his phone. Luke's favorite sports memories include being one of the thousands of kids who waited for Cal Ripken's autograph after Orioles games in the summer of 1995, attending the Super Bowl XXXV victory parade with his dad in the pouring rain, and watching the Terps advance to the Final Four at the Carrier Dome in 2002. Follow him on social media @BaltimoreLuke or email him at Luke@wnst.net.
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