Chertow finished third in the 1987 and 1988 NCAA Wrestling National Championships, wrestling at 126 pounds and 118 pounds, respectively.
The two-time NCAA Champion will manage and direct recruiting operations for the Sun Devils.
Mesenbrink committed to transfer to Penn State in April after a year at Cal Baptist.
Bravo-Young will attempt to earn the 57-kilogram spot on the Mexican team ahead of the 2024 Paris Olympics pending his transfer.
Nickal was originally set for fight Tresean Gore before Gore pulled out due to injury.
Cunningham, a rising junior at State College Area High School, recorded a 28-7 record his sophomore season and placed first in the district and regional levels at 145 pounds.