Complex sentence: Rumors spread about Callahan as other teams avoid him, fearing that the Browns know something they do not, and it appears the Seahawks still will be able to select Callahan with what had been the Browns' seventh pick.
Split into simpler sentences: Rumors spread about Callahan as other teams avoid him, fearing that the Browns know something they do not. It appears the Seahawks still will be able to select Callahan with what had been the Browns' seventh pick.