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Green Bay --- Safety Micah Hyde and outside linebacker Andy Mulumba both left the Green Bay Packers' 31-24 win over the New York Jets with knee injuries.

Hyde expects to be ready for the Packers' game this week in Detroit, while Mulumba's might be season-ending. Meanwhile, one reason cornerback Casey Hayward didn't see any action on defense was because his hamstring tightened up.

In the locker room Monday, Hyde indicated that he suffered a bruise and was icing his knee to get the swelling down.

"I have some ice on it right now," Hyde said. "That should probably do the job. Just a little sore. I don't know what it was. I tried to look at it on tape. I don't know if it was a helmet, cleat, knee, I don't know what it was but I took it right at my knee."

This appears to be nothing more than a scare for Hyde. He has suffered the same hit to the knee before.

"It just tightened up on me, so I couldn't keep going on it," he said. "I've had bruises and swelling before, so it's nothing I can't handle."

The final verdict is not in on Mulumba yet, but coach Mike McCarthy said the knee injury is "significant." The Packers were awaiting the final test results, though McCarthy said "it didn't look good."

While Davon House saw extensive action out wide in Green Bay's nickel package, Hayward did not play. Even in its dime package, Green Bay went with veteran Jarrett Bush over Hayward.

While the Packers planned on using House regardless, defensive coordinator Dom Capers indicated that Hayward's hamstring -- the one that gave him so much trouble last year -- tightened up.

"I don’t know what the medical status of Casey was at that point in time," Capers said. "We’ll have to find out there. Really, Bush was healthy and ready to go, and I don’t know that Casey might have tightened up just a little bit. With his hamstring issues in the past, you’re always cautious of that."

Green Bay will be needing all of its defensive backs available this week against a Detroit Lions offense that will spread the field out. Hyde said he'll "definitely" be ready to play and maybe we'll get updates on Hayward when practice resumes Wednesday.

The last time the Packers visited Ford Field, they surrendered 40 points, 30 first downs and 561 total yards.

"Calvin Johnson counts as two weapons," Hyde said. "He's a tough guy to cover, bring down, everything. He's the real deal. We'll have a game plan and we'll go into it ready to play."