I heard an interview with Mitch Holthus, the PBP for the KC Chiefs and a college basketball PBP for the big 12 network. He was talking about the search firms and how popular they are now. He said if a coach doesn't work with a search firm then they won't be targeted for a possible opening. So, maybe Byrd works with a search firm, either to fill past positions on his staff or whatever, maybe even the same search firm used by OU for this job, so they contacted him because he fit the basic profile of what OU is looking for. I would imagine once the legwork is done then the candidates who want to take it further will be contacted again for an interview.