Ji'Ayir Brown

San Francisco 49ers

Pos S

Updated October 8, 2026

Compare Ji'Ayir Brown S rankings →

Model Score

75.7 MODEL

2023

69.4

2024

80.2

2025

75.1

2026

75.7

How good he is at what he is supposed to be doing, out of 100. Not a projection of what he will do next, and not a read on his contract. Median is about 70, and a 95 is rare. How it is built →

STM Take

Super Bowl LVIII appearance plus back-to-back tier 5 finishes (#35, #36) for an 87th overall 3rd-round pick puts Brown in the rare championship-pedigree structural top-40 S class. The Penn State Big Ten 3rd-round origin plus three years of 49ers system experience give him real college foundation. The 2026 question is whether Brown crosses into tier 4 territory or whether the structural tier 5 finish becomes the stable late-prime baseline.

Brown came out of Penn State as the San Francisco 49ers' 3rd-round pick (87th overall) in 2023. He played in Super Bowl LVIII for the 49ers. He has anchored the 49ers' safety rotation across three seasons. His STTM career runs tier 8 (#67) rookie to tier 5 (#35) sophomore to tier 5 (#36) in 2025.

Strengths

Super Bowl LVIII appearance plus back-to-back tier 5 finishes (#35, #36) confirms structural top-40 S ceiling.
Penn State Big Ten 3rd-round origin plus three years of 49ers system experience gives him real college foundation.

Concerns

Career STTM range capped at tier 5 (#35) flags the realistic ceiling at top-40 S rather than Pro Bowl territory.
San Francisco's broader defensive identity transition compresses the structural support around Brown.

What to watch: Whether Brown crosses into tier 4 (top 30) in 2026, the threshold for confirming the developmental climb continues.