UpNext
Mason Rivera
UC

Mason Rivera

DB · #28 · University of California, Los Angeles
Transfer
Height6'1"
Weight175 lbs
Est. eligibility1 yrs
Production index
Elite
Roster status
RosteredMason Rivera (DB) officially transferred from California Polytechnic State University to University of California, Los Angeles
Last updatedSep 23, 2026, 1:21 PM
Agency representation
Represented by agencyAgency details available to authorized users
Background

2024 -- Earned Second Team All-Big Sky honors ... played in all 11 games, totaling 82 tackles (13th in the Big Sky), 6 tackles for loss, and 1 sack… recorded season-high 12 tackles against Idaho… had three forced fumbles on the year which tied for the most in the Big Sky ... added an interception, six pass breakups, and a fumble recovery 2023-- Played in two games before getting injured... one tackle that was solo in the San Diego game on Sep. 2... 2022 -- As a true freshman, played in 10 games, including starts against Montana and Montana State ... missed only the opener at Fresno State ... 36 total tackles, including 26 solo stops ... season-high nine tackles in the snow at Montana and added seven more versus Portland State ... forced a fumble in Portland State game and broke up pair of passes, both at Idaho State ... notched tackles in 2023 Spring Game. High School -- A 2022 graduate of Kimball High School in Tracy, Calif. ... Rivera accumulated 1,429 all-purpose yards as a senior, making 73 catches for 1,259 yards and 16 touchdowns, intercepting seven passes for 30 return yards and two touchdowns, returning a punt 70 yards for another score and adding 70 yards in kickoff returns ... notched 69 total tackles (53 solo stops) as a free safety ... Kimball was 10-2 in 2021, finishing second in the Valley Oak League and qualifying for the CIF-Sac-Joaquin Section Division 4 playoffs, falling to Merced 51-50 in the first round ... earned first-team All-Valley Oak League honors on defense ... four-year member of California Scholarship Federation and three-time Block Award recipient ... also played baseball ... as a senior, hit .250 with three doubles, a triple, one home run and 12 RBIs in 20 games ... pitched in three games as well ... competes in martial arts ... decided to attend Cal Poly "because I love the school, town, academics, sports and I have family here." Personal -- Son of Sean and Tracy Rivera, both Cal State East Bay graduates ... one brother, Ryan Rivera, a tight end on the Cal Poly football team ... wants to be a fireman in California ... hobbies include martial arts, fishing, bowling and "chillin with friends" ... born in Tracy, Calif ... majoring in forest and fire science. Skip Ad

Hometown
🏴󠁵󠁳󠁣󠁡󠁿Tracy, CA
High schoolKimball HS
ScholarshipYes
Career path
Career stats
YRSCHOOLGPGSDEF SNAPSPRODPBUPDEFINTTACKSOLO
2026
University of California, Los Angeles
1024--00011
2025
California Polytechnic State University
121257Elite7817439
2024
California Polytechnic State University
11320Elite5618253
2023
California Polytechnic State University
20----00011
2022
California Polytechnic State University
92--High2203828
Career3517101Elite14162196122
Injury history
Injury history availableInjury details available to authorized users
Unlock on UpNext

Valuation

Coming SoonPlayer valuation metrics will be available here
UpNext Athlete Data

Profile last updated Sep 23, 2026