The Bengals official site reports about center Dan Santucci clearing waivers today and going on IR:

Center Dan Santucci cleared waivers and Thursday the Bengals put him on season-ending injured reserve for the second straight preseason. Santucci suffered a foot injury Aug. 5, just a week shy of a year to the day he suffered a high ankle sprain in the preseason opener that also landed him on IR. A seventh-round pick out of Notre Dame in 2007, Santucci played in two games as a rookie.