OU football: Grant Calcaterra retires from football following multiple concussions
Eagles player goes to Super Bowl in Arizona, where he trained to be EMT
Getting receiver A.J. Brown was highlight of Eagles' draft
Oklahoma tight end Grant Calcaterra returns to football after brief retirement, enters transfer portal
Eagles select Grant Calcaterra at No. 198: Scouting report, three things to know about SMU tight end
OU football: Grant Calcaterra charges into post-football career without regrets
OU football: Grant Calcaterra retires from football following multiple concussions
Grant Calcaterra - Draft Network
OU football: Oklahoma's Grant Calcaterra reflective, emotional while addressing retirement from football, All OU Sports
Will Grant Calcaterra Seize Opportunity To Shine? - Draft Network
OU tight end Calcaterra retires from football because of concussions