By Chris Emma–

LAKE FOREST, Ill. (CBS) — Bears linebacker Pernell McPhee and guard Kyle Long both took steps toward playing in Sunday’s season opener.

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Both players took the practice field Thursday, though they were working in a limited fashion. McPhee returned to the active roster this past weekend after spending the preseason on the physically-unable-to-perform list. Long worked in practice for the first time in weeks as he continues to ease back from an ankle injury.

Bears defensive coordinator Vic Fangio admitted there’s a “good chance” that McPhee does play Sunday, but that work would come on a snap count.

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Coach John Fox said earlier in the week that a decision on Long’s status for Sunday’s game could come 90 minutes prior to kickoff as the Bears determine their inactives list.

Receiver Markus Wheaton was also among those practicing in a limited role Thursday. He’s still working back from a fractured pinkie finger. Cornerback Prince Amukamara didn’t practice as he manages an ankle injury. Defensive lineman Jonathan Bullard (glute), defensive back Sherrick McManis (hamstring) and linebacker Sam Acho (ankle) each didn’t practice.

The Bears do have good news on linebacker Danny Trevathan (knee), who’s “full speed and ready to go,” Fox said. Trevathan isn’t listed on the injury report.

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Chris Emma covers the Bears, Chicago’s sports scene and more for Follow him on Twitter @CEmma670 and like his Facebook page.