Here's how each of those drives went:
SIU: 5 plays for 13 yards. Ended on a 4th Down stop on their own 38.
SMU: 11 plays for 24 yards. Ended with a 27 yard FG.
Wyoming: 3 plays for 4 yards. Ended with a punt.
Kansas St: 3 plays for 1 yard. Ended with an INT.
Baylor: 13 plays for 66 yards. Ended with a TD.
Arizona: 1 play for 0 yards. Ended with an INT.
Oklahoma St: 11 plays for 44 yards. Ended with a missed 48-yard FG.
UCF: 3 plays for 7 yards. Ended with a punt.
27 3rd quarter drives for opponents. Here's they've all ended:
9 Punts (6 3-&-Outs)
5 Interceptions
4 Stops on 4th down
4 Field Goal Makes
3 Touchdowns
1 Lost Fumble
1 Field Goal Miss
For comparison, here's how BYU's 24 3rd quarter drives have gone:
10 Touchdowns
5 Field Goal Makes
5 Punts (3 3-&-Outs)
2 Interceptions
1 Field Goal Miss
1 Lost Fumble