JACKSONVILLE – The Jaguars got good injury news Friday.

They got less certain news, too – and that uncertainty included the team's best receiver, DJ Chark Jr., being listed on the injury report with an ankle injury.

Chark, a Pro Bowl selection last season who missed the Jaguars' Week 3 loss to the Miami Dolphins with a chest/back issue, was among five players listed as questionable for the team's game against the Detroit Lions at TIAA Bank Field in Jacksonville Sunday.

Head Coach Doug Marrone said Chark has a chance to play Sunday.

"I feel good about DJ," Marrone said early Friday afternoon. "He practiced on a limited basis today. We ran some routes in the team periods and looked good. He's a guy who always fights to get out there."

The Jaguars on Friday removed linebacker Myles Jack (ankle) and cornerback CJ Henderson (shoulder) from the injury report. Both players practiced full Thursday and Friday after missing last Sunday's loss to the Houston Texans and working limited Wednesday.

Defensive end Josh Allen, who missed the Texans game with a knee injury, was listed as questionable on the injury report after practicing limited this week. Three other players – defensive tackle Abry Jones (hamstring) ankle, linebacker Dakota Allen (foot) and tight end Tyler Eifert (neck) – also were listed as questionable Friday.

The Jaguars enter Sunday's game on a four-game losing streak after beating the Indianapolis Colts in Week 1.

"I know it's close," Marrone said. "That's what I've told the players. We have to push. We have to get ourselves over the top. We have to be able to sustain. Anytime you're not winning and you're not getting that success from the wins, it does cause whatever word we want to use: frustration, anxiety, disappointment … there are a lot of things that do into it.

"If you're feeling that or feeling sorry for yourself or feeling sorry in any regard, then you're never going to be able to push yourself to push through it and get yourself over the top. We see things during the week that we're practicing and doing a better job of.

"Now, it's just a matter of bringing it over into the game."

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Marrone: "You see these pieces, you see these young players that we're counting on, they do things right and they look really good. You try to speed up that process and you have to lay that foundation down for those guys to make plays. There are definite things we need to improve upon. But you try to pick out the things you're doing well at times and you try to put that together and be able to play a full game. Those are the things I'm trying to do a better job of: getting these guys more consistent."