I have a buddy who is a pretty well connected MSU booster. Here is what he said...
Cam was ready to commit to Mullen, then his dad made him hold off. It was about this time that Auburn started to come on stronger. Basically he is convinced that some MSU boosters were offering some cash to Cam, but in the end Aubie stuffed the envelope a little better. Said he has heard at least 50K
TIFWIW