Deiter
redshirted his freshman season at
Wisconsin. As a Redshirt Freshman in 2015, he earned his first
letter, starting all 13 games, including seven starts at left guard and six starts at center, including the season's final five games. Following the regular season, he was named
All-Big Ten Conference honorable mention (media) and Big Ten All-Freshman (ESPN). During his Redshirt Sophomore season in 2016, he earned his second letter, starting all 14 games, including 10 starts at center and four starts at left guard, helping
Wisconsin to a
Big Ten Conference West Division Championship and a
#9 final season ranking. Following the regular season, he was named a consensus All-Big Ten honorable mention. Prior to the 2017 season, Deiter was named to the 2017
Outland Trophy and
Rimington Trophy watch lists. Athlon Sports named him 2nd-team All-Big Ten. On September 28, 2017,
SB Nation named Deiter a frontrunner for the annual "Piesman" Trophy, an award awarded to a collegiate Lineman doing "decidedly un-lineman things" for his 4 yard rushing touchdown against
Illinois. Deiter considered forgoing his senior year and declaring for the
2018 NFL draft, but decided to return to Wisconsin to play at the guard position after playing tackle during his junior year. Returning to Wisconsin, Deiter was named an offensive captain for the team along with
Alex Hornibrook. Prior to the season, Deiter was named an AP second-team preseason All American. ==Professional career==