Castille was Nebraska's number one, big-back recruit on their board. The 6-foot-1 and 235-pound Castille has been busy in the off-season preparing to play the only sport that he still participates in.
"I have just been working out, trying to get in shape," Castille said. "I don't play any other sports other than football."
"I have been doing a lot of cardio. I have just been trying to stay in shape. I have also been trying to improve my vision. It was conditioning though, first."
Castille said that he is looking forward most to just getting to Lincoln to see how he can help the team. He wants to have an early impact. "I am just looking to get up there and helping the team. I want to come in and make a big impact up there in Lincoln."
Castille has had regular contact with the coaches at Nebraska, even after signing day. Only very recently has some of the talk died down between Castille and the staff.
"I have been staying in touch with the coaches since signing day. I talk to them nearly every day. It's at least every other day. I haven't spoke to them recently because they are out recruiting."
Castille took his official visit to Nebraska for the season opener. On that visit, he was able to meet a couple of other Nebraska recruits. One of those recruits will be his room mate in the fall.
"I am going to room with Ryan Hill, the tight end from Colorado. We took our visit to Nebraska the same weekend. We talk on the phone every once in a while. He's been busy with baseball lately."
The official visit to Nebraska in September isn't the last time Castille made it up to Lincoln. He was actually present for the Nebraska spring game.
"I came back up for the spring game. It was an eye-opening experience for me. I didn't realize that they would have that many people there. That was just for their spring game."
Castille has every intention of coming in and playing early. He is putting his best foot forward and will be in Lincoln as early as he can be, will be enrolled for the summer session and will take part in summer workouts all summer.
"I will be there June 8. I start classes on June 10. I will be there for all of summer conditioning and summer classes. I am getting ready to graduate on May 25th."