"Coach Petrino called just to see how I was doing," Mustain said. "It went pretty good."
In addition to the frequent mailings from Louisville, the 6-foot-3, 200-pound Mustain saw the Cardinals program up close in early April.
"I liked it," Mustain explained. "It was nice there. Louisville's a good program and they have a great offense. I have been to nine different places so far."
With interest growing on what seems like a daily basis, Mustain is keeping his options open for now, but hopes to begin to build a list of favorites in a month or so.
"I hope to trim it down by the end of June," continued Mustain, who threw for 2,164 yards and 20 touchdowns, while also rushing for over 300-yards as a junior. "I'm still evaluating everything right now though."
Mustain explained that there will be a couple factors that he'll be looking for while trimming his list of schools.
"First of all I want to make sure that I'm comfortable, both with where I'll be living and the playing style," he explained. "Second, is the atmosphere of the team and how my relationship with the coaches and players is."
Mustain, who will be attending the upcoming Nike Combine in Oxford, Mississippi, currently holds offers from Arkansas, Clemson, Florida, Georgia, Georgia Tech, Louisville, Miami, Nebraska, Notre Dame, Oklahoma, Tennessee and others.
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