The two Memphis (Tenn.) East prospects will do so at 2 p.m. ET on Feb. 6, national signing day, at their school, according to assistant coach Bryan Williams.
Herron, who is a four-star defensive end, has been committed to LSU since June. Rayford, who is a three-star receiver, has been committed to Vanderbilt since May. The two are expected to stick with their commitments.