Ngata made his debut with Detroit in Week 1 and contributed to three tackles.
Bell was recovering from knee and Achilles surgeries, while Ngata was dealing with hamstring issues. Both players practiced Monday and are expected to be ready for the team's season opener.
A hamstring strain sustained this summer will keep
"I think he'll be back soon ... and that means sooner than the opener," Caldwell told the Detroit Free Press.
Ngata, who is on the non-football injury list, hooked up with Detroit after nine seasons with Baltimore.
"[Levy's] a heck of a football player, just a playmaker on our defense," Mayhew said before training camp Tuesday. "Versus the run and the pass, the guy's an impact player, so we definitely want to keep him on our defense — very important to our football team. His leadership is also excellent, professional in every sense of the word, so he has a lot of value to us. And he's one of our own guys, so we want to definitely keep him around."
Ngata is entering his first season with the Lions after being traded from Baltimore in March.
"He's a phenomenal player," Mayhew said. "He can be an impact player for us as well along the defensive line. I don't really need to see a whole lot more. … I've seen enough to know that I want to have him around."
Ngata, who was traded to Detroit by the Ravens in the offseason, can come off the list at any time. The team said they expected Ngata to return to action in about a week.
|8||11/1/15||@ KC||9:30 am|
|Bye: Week 9|
|10||11/15/15||@ GB||1:00 pm|
|14||12/13/15||@ STL||1:00 pm|
|15||12/21/15||@ NO||8:30 pm|
|17||1/3/16||@ CHI||1:00 pm|
|Year||Team||G||Fum||Lost||Fum Forced||Own Rec||Opp Rec||Yds||Tot Rec||TD|
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