Washington State University Athletics
2021 Football Signing Class
Roster

Brock Dieu
- Position:
- Offensive Line
- Class:
- Freshman
- Hometown:
- Queen Creek, Ariz.
- Ht./Wt.:
- 6-3 / 280
- High School:
- Casteel HS
HIGH SCHOOL
Attended Casteel High School in Arizona…as a FRESHMAN, named to All-State First Team, All-Region First Team and All-CUSD First Team…as a SOPHOMORE, named to All-State Second Team, 5A All-Region First Team and All-CUSD First Team…as a JUNIOR, named to the 5A All-State First Team, All-CSUD First Team, All-Region First Team and Arizona Offensive Lineman of the Year honorable mention……as a SENIOR, named to the Sports Illustrated All-America Watch List…named to the All-CSUD First Team...rated No. 13 in Arizona Top-20 in class of 2021 by MaxPreps…also throws the shotput, discus and javelin…selected to play in Blue-Gray All-American Bowl…rated three-star prospect by ESPN.com, 247Sports.com and Rivals.com…rated No. 61 offensive guard and No. 14 overall prospect in Arizona by ESPN.com…also lettered twice in wrestling and twice in track and field (shotput, discuss, javelin)…won Freshman Wrestling State Title, was wrestling state qualifier as a junior...three-time All-Academic team selection.
PERSONAL
Pronounced “DEW”…parent,s Jeff and Ladon…older sisters, Megan and Raylee...high school teammates with current Cougar quarterback Gunner Cruz…named Superintendent Outstanding Citizenship Award and Student Multi-Athlete of the Year…member of National Honors Society…Seminary Council Member…Colt Crew Assistant (Special Needs Flag Football team)…interested in studying mechanical engineering.
Attended Casteel High School in Arizona…as a FRESHMAN, named to All-State First Team, All-Region First Team and All-CUSD First Team…as a SOPHOMORE, named to All-State Second Team, 5A All-Region First Team and All-CUSD First Team…as a JUNIOR, named to the 5A All-State First Team, All-CSUD First Team, All-Region First Team and Arizona Offensive Lineman of the Year honorable mention……as a SENIOR, named to the Sports Illustrated All-America Watch List…named to the All-CSUD First Team...rated No. 13 in Arizona Top-20 in class of 2021 by MaxPreps…also throws the shotput, discus and javelin…selected to play in Blue-Gray All-American Bowl…rated three-star prospect by ESPN.com, 247Sports.com and Rivals.com…rated No. 61 offensive guard and No. 14 overall prospect in Arizona by ESPN.com…also lettered twice in wrestling and twice in track and field (shotput, discuss, javelin)…won Freshman Wrestling State Title, was wrestling state qualifier as a junior...three-time All-Academic team selection.
PERSONAL
Pronounced “DEW”…parent,s Jeff and Ladon…older sisters, Megan and Raylee...high school teammates with current Cougar quarterback Gunner Cruz…named Superintendent Outstanding Citizenship Award and Student Multi-Athlete of the Year…member of National Honors Society…Seminary Council Member…Colt Crew Assistant (Special Needs Flag Football team)…interested in studying mechanical engineering.
WSU Football: Mike Yam and Yogi Roth discuss 2026 Cougar Football Schedule! | 2/11/26
Thursday, February 12
WSU Football | Northern Quest Resort & Casino | Kirby Moore Signing Day Press Conference | 2/4/26
Wednesday, February 04
WSU Football: 16 Minutes with Kirby Moore at the Famous Idaho Potato Bowl! | 12/22/25
Tuesday, December 23
WSU Football: "The Cougs draw first Blood!" | Chris King | Famous Idaho Potato Bowl Call of the Game
Tuesday, December 23






































