riveting pre in a sentence

1. Most knew practically nothing about Bauer, Keyes or Hatch _ so much for those riveting pre-primary debates.
2. Every game has ended close to or well after midnight, and some have even commenced later than the advertised 8 p . m . start time to accommodate riveting pre-game moments like fancy player introductions, ceremonial pitches and antics with a bald eagle.
3. It's difficult to find riveting pre in a sentence.