Center Justin Hartwig was back on the field Friday and remained
questionable on the injury report.
Williams sat out the past two games with a right foot injury,
but had practiced Wednesday and Thursday.
"He's not quite ready yet," coach John Fox said.
Colin Branch is expected to again fill in for Williams at strong
safety against the Browns.
Hartwig, who has missed the past three games with a groin
injury, returned to practice Wednesday but sat out Thursday's
workout. If he can't play, Geoff Hangartner most likely will start