I don’t really know to be honest. The story I followed, seemed to indicate it was the entire athletic department, as they showed a photo of many of the staff in linked-arm poses with the players.
Thanks for the tip-I’ll look for that article.
Here, I found it.
Missouri player says many on team don’t support practice boycott
http://espn.go.com/college-football/story/_/id/14087454/missouri-tigers-player-says-team-not-united-practice-boycott