Bears sign eight undrafted free agents

The Bears signed eight undrafted free agents on Friday. The eight are tight end Joe Sommers (Wisconsin-Oshkosh), tight end Ben Braunecker (Harvard), center Dan Bucholz (Duquesne), cornerback Taveze Calhoun (Mississippi State), linebacker Don Cherry (Villanova), wide receiver Derek Keaton (Georgia Southern), offensive tackle John Kling (Buffalo) and linebacker Roy Robertson-Harris (UTEP). The Bears will have…