"It was great, I really felt comfortable with the environment and coaching staff," Fox said regarding his visit to Colorado State over the weekend. "I went home to think about things and signed with them on Monday."
Fox chose CSU over offers from Lamar, Louisiana-Monroe, Prairie View A&M, Shaw and Stephen F. Austin.
"Coach (Mike) BoBbo said he really needed an experienced DL to come in and add depth to the defensive line," Fox said. "They were very excited when I told them. They said they had a sense of relief knowing they have a great impact defensive lineman coming in."
As a redshirt freshman for the Panthers this season, Fox worked his way into the defensive line rotation and finished with 16 tackles, one sack and one tackle-for-loss.
"I can play both (nose tackle and three-technique), but I played more of the three this past season for us," Fox noted. "I come off the ball well and I like to get a lot of pressure up the middle on the quarterback.
"Collapsing the pocket is fun and it helps our defense get off the field. No quaterbacks like getting pressure right in their face, so that's something I try and do every time."
Fox signed with Butler out of high school and redshirted his first season there before transferring to Ellsworth last spring.
He'll finish up his two-year degree in May and he will have three years to play three starting this fall.