4/14/2021
I-90 Speedway
2020 review: IMCA Sprint Champion Trefer Waller
![2020 review: IMCA Sprint Champion Trefer Waller](https://dy5vgx5yyjho5.cloudfront.net/images/v2/s1136x640-I7a4iLeR2Jx625584.jpg)
Trefer Waller will enter the 2021 season at I-90 Speedway looking to defend his track title from the previous year. The O'Neill, Nebraska, driver of the #32T is still working on his first career vict...