New Mexico As a freshman at
New Mexico, Toppin averaged 12.4 points, 9.1 rebounds and 1.9 blocks per game, and was named the
Mountain West Freshman of the Year. Following his freshman season, he entered the
transfer portal and declared for the
2024 NBA draft. Toppin received an invite and participated in the 2024
NBA draft combine. Ultimately, he would withdraw from the draft and announce his decision to transfer to
Texas Tech University to play for the
Texas Tech Red Raiders.
Texas Tech In his Red Raider debut, Toppin scored 19 points and grabbed eight rebounds in a 94–61 victory against the
Bethune-Cookman Wildcats. On February 12, Toppin scored a season-high 41 points and grabbed 15 rebounds in a 111–106 double-overtime win against
Arizona State. In his first season with the Red Raiders, Toppin led the Red Raiders with 18.2 points, 9.4 rebounds, 1.5 blocks while snagging 19
double-doubles. Toppin was a consensus second-team
All-American and earned the
Big 12 Player of the Year, while also winning Big 12 Newcomer of the Year and All-Big 12 First Team honors. Prior to the start of the 2025–26 season, Toppin was named to the watch list for the
Naismith Trophy, an award given to the best men's college basketball player annually. ==Career statistics==