The latest from Det News (and not very definitive):
Lions RB Jahvid Best's concussion recovery time is unclear
Chris McCosky/ The Detroit News
Allen Park — Not much went wrong for the Lions in the first half of the season.
They are 6-2, winning all four of their road games, and have managed to stay relatively healthy.
But there is one cloud still hovering — the status of starting running back Jahvid Best.
He missed his second straight game Sunday after incurring a second concussion in three months against the 49ers.
On Monday, coach Jim Schwartz couldn't definitively say whether or not he expected Best to be back after the bye week.
"We'll see," he said. "You can't have a timetable on these things. We've gone through it with Justin Durant and Tony Scheffler. Some come back quickly and some last longer."
Scheffler, whose concussion against the Bears was serious enough to warrant a trip to the emergency ward, missed only one game. Durant, who didn't have a history of head injuries, missed three weeks.
"The one thing we will be sure to do is be objective and listen to the people who are the experts in these decisions," Schwartz said. "Like I've said a hundred times, it's not something you can put tape on or tough out. We have to be conservative."
When asked if there was a point where he'd consider putting Best on injured reserve, Schwartz again deferred.
"That would be listening to the people who know more about these things than me," he said. "You evaluate every player on a week-by-week basis."
Best, because he isn't medically cleared to return to practice, hasn't been made available to the media, per NFL rules.
On his Twitter account, though, he posted this last week:
"Thanks for your Tweets and prayers. I'm taking everything one day at a time."
The Lions signed free-agent running back Eldra Buckley after Jerome Harrison (brain tumor) went on injured reserve.
Buckley's primary role has been, and is expected to continue to be, on special teams.
Maurice Morris and Keiland Williams have handled the bulk of the running game in Best's absence.
The two have combined for 177 yards (4.2 per carry) in the last two games.