Elmer Madar also scored on a 53-yard interception return.
Grange scored a touchdown on a 35-yard interception return in the Bears' 19-7 victory.
Rast scored on a 10-yard interception return during that 29-21 win over Texas A&M.
Frolish also scored on a 20-yard interception return.
In the third quarter, Fullerton scored on a 46-yard interception return making it 28-6.
Harris also returned one fumble for a touchdown and scored on an interception return.
Leonard Smith scored on a 39-yard interception return.
Woodson scored on a 37-yard interception return for a touchdown in the second quarter.
The junior free safety had scored on a 60-yard interception return in the second period as one of many highlights by a hard-charging Irish defense.
Hacker scored on a 26-yard reception and a 55-yard interception return.