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THE COLLEGE GAME · 2026

Mason Rivera · UCLA Football

Big Ten · Players & roster

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2026120 roster entriesSnapshot: 2026-10-02

College player coverage. Explore dated rosters and player details for 266 FBS and FCS programs. Every saved roster entry has a dated summary. Selected profiles include additional official-source background. Coverage varies by school; coaching backgrounds, program history and FAQs are still being expanded. Please check source dates and confirm changes with the schools. Division II, Division III and NAIA directories are not yet included.

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PLAYER DETAILS · 2026

Mason Rivera

Jersey
28
Position
DB
Class
Sr.
Height
6 ft 1 in
Weight
175 lb
Hometown
Tracy, CA
High school / prior school (as listed)
Kimball HS
Previous school
Not supplied
Read the official player biography ↗

Summary

Mason Rivera — Player summary

Mason Rivera earned second-team All-Big Sky recognition at Cal Poly in 2024. His UCLA biography describes a four-year Mustangs career with 195 tackles, five forced fumbles and two interceptions.

Additional background from the official biography retained October 14, 2026: He also played baseball and earned first-team all-league football honors at Kimball. The biography lists forest and fire science as his Cal Poly field of study and enrollment in UCLA’s project management certificate program.

Checked 2026-10-30 · Sources: UCLA Athletics — official player biography

These sourced summaries are prepared with AI assistance and checked against the linked material. They are not independently audited or presented as human-reviewed. Please verify details with the original sources; checked dates are not promises of live updates.