TransferPortl

Demetrius Sumler

Defensive CoordinatoratSan Diego State

Coaching since 2021

Demetrius Sumler is the Defensive Coordinator at San Diego State, coaching since 2021. Staff history at 1 school, the head coaches he worked under and the players he coached.

Updated Nov 9, 2026Sources: school staff directories, TransferPortl coaching tenures, CFBD

Staff History by Season

3 stints
  1. 2026
    San Diego StateDefensive Coordinator
  2. 2025
    San Diego StateDefensive Coordinator (cornerbacks)Position groups: CB
  3. 2021-2024
    San Diego StateAssistant Coach (cornerbacks)Position groups: CB

Coaching Tenure Timeline

1 stops
2026-present1 season
Defensive Coordinator

Head Coaches He Worked Under

2

Players He Coached

40
  • Isaiah BuxtonCB · San Diego State · 2025
  • Braylon CardwellCB · San Diego State · 2025
  • Xavier HamlettCB · San Diego State · 2025
  • Chris JohnsonCB · San Diego State · 2025
  • Bryce PhillipsCB · San Diego State · 2025
  • Jelani WhitmoreCB · San Diego State · 2025
  • Tayvion BeasleyCB · San Diego State · 2024
  • Tayten BeyerCB · San Diego State · 2024
  • Isaiah BuxtonCB · San Diego State · 2024
  • Arnold EscanoCB · San Diego State · 2024
  • Joshua GoynesCB · San Diego State · 2024
  • Xavier HamlettCB · San Diego State · 2024
  • Chris JohnsonCB · San Diego State · 2024
  • Bryce PhillipsCB · San Diego State · 2024
  • Bennett WalkerDB · San Diego State · 2024
  • Jelani WhitmoreCB · San Diego State · 2024
  • Noah AvingerCB · San Diego State · 2023
  • Tayvion BeasleyCB · San Diego State · 2023
  • Dallas BranchCB · San Diego State · 2023
  • Sam DunnellCB · San Diego State · 2023
  • Arnold EscanoCB · San Diego State · 2023
  • Joshua GoynesCB · San Diego State · 2023
  • Xavier HamlettCB · San Diego State · 2023
  • Chris JohnsonCB · San Diego State · 2023
  • Dez MaloneDB · San Diego State · 2023
  • Noah TumblinCB · San Diego State · 2023
  • Jelani WhitmoreCB · San Diego State · 2023
  • Noah AvingerCB · San Diego State · 2022
  • C.J. BaskervilleDB · San Diego State · 2022
  • Dallas BranchCB · San Diego State · 2022
  • Adonis BrownCB · San Diego State · 2022
  • Jaiden BrownCB · San Diego State · 2022
  • Arnold EscanoCB · San Diego State · 2022
  • Joshua GoynesCB · San Diego State · 2022
  • Chris JohnsonCB · San Diego State · 2022
  • Dez MaloneDB · San Diego State · 2022
  • Patrick McMorrisDB · San Diego State · 2022
  • Isaiah McelvaneDB · San Diego State · 2022
  • Noah TumblinCB · San Diego State · 2022
  • Jelani WhitmoreCB · San Diego State · 2022
Demetrius Sumler: San Diego State Defensive Coordinator, Career History | TransferPortl