Before Mizzou
- As with two of his now teammates, Mauller was a four-time Missouri State Champion in high school, one of very few to accomplish that feat
- Flowrestling ranks him at No. 8 at 145 pounds, and No. 45 overall
- Competed in the 2018 Senior Freestyle World Team Trials
- Claimed three All-America honors, two at the Junior Freestyle Nationals and one at Super 32