Lake Dallas defensive linemen Jacob Biggerstaff , left .
Devante Traylor will face the challenge of helping replace former Falcons standout Josiah Tauaefa , who signed with Texas - San Antonio after completing a standout high school career in 2014 .
Lake Dallas defensive linemen Jacob Biggerstaff , left , and Devante Traylor will face the challenge of helping replace former Falcons standout Josiah Tauaefa , who signed with Texas - San Antonio after completing a standout high school career in 2014 .