The Ravens reported no new injuries after last Sunday's game in Kansas City, but Pro Bowl defensive tackle Haloti Ngata appeared on their first injury report of the week Wednesday.
Ngata was limited in practice because of a shoulder injury.
Judging by Harbaugh's opening statement, it doesn't appear to be a big deal.
"We have no major injuries, so, I can clear that up right now," Harbaugh said.
Ngata has been on a tear so far this year, leading some to start buzz about him being a candidate for Defensive Player of the Year. He has 24 tackles and two sacks in five games.
Second-year tackle Jah Reid (calf) practiced fully for the first time since training camp.
Among the highlights on the Cowboys' injury report were that linebacker Anthony Spencer (shoulder) didn't practice. Nose tackle Jay Ratliff (ankle) and defensive tackle Marcus Spears (knee) were both full participants.