In fact, he didn't even know he'd be attending the Tigers' annual "Boys from the Boot" event until Friday evening. But once he found out that Les Miles had invited him to the junior day, Sullivan looked forward to getting his first taste of LSU life.
So he made the trip up to Baton Rouge and spent the day getting to know the coaches and familiarizing himself with the campus. At the end of the day, he had a one-on-one meeting with Coach Miles where he received his first scholarship offer.
"He said he wants me at LSU," Sullivan said. "He said I have a scholarship offer, and if I want it, it's there."
Sullivan didn't hesitate and committed to LSU on the spot. For this four-star sophomore, there's only one school he wants to attend.
"I didn't want to waste any time," Sullivan said. "It's close to home, and I love the coaching staff. I love how they can help you academically…It's already changed my life. I feel like more's going to come."
In addition to tours of the campus and facilities, Sullivan spent most of his time with offensive coordinator Cam Cameron. This was Sullivan's first opportunity to meet Cameron, but he made quite the impression on this elite receiver.
"He treats me like family," Sullivan said. "That's my first time meeting him and he already treats me like family. So I feel like the rest of the coaches will treat me the same way. I'm going to feel at home there."
Sullivan already ranks as a four-star prospect in the 2016 class, and he'll have a claim for one of the top spots before it's all said and done. At 6-foot-6, 215 pounds, Sullivan is an impressive physical specimen with a 40-yard dash time between 4.5 and 4.6 seconds.
He's still a bit raw as a receiver, but with his supreme athleticism, he's a tough matchup for opposing defenses. With so much potential, LSU fans have a lot to look forward to with Sullivan.
And he's optimistic too about what the future holds.
"It's unbelievable," Sullivan said. "I really can't believe it, and I can't wait for what's to come."