1. Tanner Wall - WR at BYU to starting at Safety
2. John Nelson - DE at BYU to starting at DT
3. Blake Mangelson - DE at BYU to starting at DT
4. Keanu Hill - WR at BYU to starting TE
5. Isaiah Glasker - WR in high school, Safety at BYU, now starting LB
6. Bruce Mitchell - DL at BYU to two-deep on OL
7. Ice Moa - DE at BYU to two-deep at LB
I’m sure there are others.