ALLEN PARK — The Detroit Lions listed four players as out, including defensive lineman Alim McNeill, for Week 5’s trip to Cincinnati.

McNeill remains on the physically unable to perform list. He made his anticipated return to practice this week, with the Lions opening his 21-day return window on Wednesday. McNeill had been out since suffering an ACL injury last December.

It sounds like next weekend’s trip to Kansas City is very much on the table for McNeill, though. Lions coach Dan Campbell said it was “50-50″ on whether McNeill would be active or not for Sunday’s game against the Cincinnati Bengals. After one practice, defensive coordinator Kelvin Sheppard said the lone challenge was exercising patience with McNeill.

The Lions will also be without running back Sione Vaki (groin), cornerback Khalil Dorsey (concussion/wrist) and linebacker Zach Cunningham (hamstring). Vaki and Cunningham have missed two straight games. Dorsey being out is a tough blow to the cornerback depth and special teams.

Ty Summers was signed from the practice squad earlier this week to fill the linebacker and special teams depth left by Cunningham. Jacob Saylors and Craig Reynolds should both be active again at running back, too.

Second-year cornerback Terrion Arnold enters the weekend without an injury designation. Arnold was able to practice all week after exiting last week’s game with a shoulder injury.

Arnold will need to step up his game against Bengals receivers Ja’Marr Chase and Tee Higgins. He’s the top outside cornerback, and it’s a big chance to answer the call and het back on track. His play hasn’t been where the Lions need it, and this is also the first game since cornerback D.J. Reed landed on injured reserve with a hamstring injury.

Reed’s injury is not believed to be season-ending. That’s very good news because the situation appeared serious, and Reed has fit like a glove.

It’s also another weekend with left tackle Taylor Decker (shoulder) and safety Kerby Joseph (knee) listed as questionable. Both have been able to play through the pain to this point. And both have played a key role in the team’s three-game winning streak.

Decker has continued to play despite practicing only once since the season opener. Campbell has celebrated the toughness and mental capacity of the team’s longest-tenured player for staying ready to go on game day. Detroit’s offensive line hasn’t given up a sack for three straight games. The communication issues that doomed them in the opener have also been corrected and then some.

“It’s not easy. There are very few players that can get away with that,” Campbell said of Decker. “And normally if you are, you’ve got a lot of ability, you’ve played a lot of snaps, you understand your own body pretty good, and you can find a way. So, what he’s done has been pretty impressive. It really is.

“Like I say, he’s been pushing through it, and I know it’s not up to his standards. What I’ve told him is that you’re helping us win these games, man. It’s winning football.”

These talks remind Campbell of some of the conversations he used to have with retired center Frank Ragnow. He said it’s all about calming the injury down and making sure Decker feels at least 80% or 85% when the games start.

Joseph has been dealing with knee issues since training camp. The All-Pro safety left last week’s game with a knee injury, causing him to miss two practices earlier this week. Joseph has two interceptions, including one last week.

Campbell said they were taking it easy with Joseph earlier this week. The safety was back at practice on Friday, and the coach said he is “on the uptick” health-wise.

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