Via the News-Herald:
The Browns will be broadcast on CBS Sports Radio's WKRK-FM 92.3 The Fan on the FM side, and ESPN WKNR-AM 850, two industry sources confirmed.
...Such an agreement is rare, because the two stations are rivals. Many things will need to be worked out, including how they'll sell advertising.
Clear Channel's outfits, for their part, seem to be widening their Tribe broadcasting load. The media conglomerate also retains rights to Cavs games.