Demetrius Sumler
Demetrius  Sumler

Assistant Coach - Cornerbacks


Demetrius Sumler Named SDSU Football Assistant Coach

Sumler named Football assistant coach

At San Diego State
  • Demetrius Sumler is in his second year at San Diego State. He works with the Aztecs’ defense and special teams.
Playing Experience
  • Completed his final season of eligibility at Central Washington in 2012, where he helped the Wildcats to its seventh GNAC title in 10 years en route to earning first-team all-conference honors on offense.
  • Tied the program’s single-game rushing touchdown record with five in a homecoming win over Simon Fraser.
  • A three-year letterwinner at Colorado where he played in 36 games for the Buffaloes from 2007-09, making 14 starts.
  • Over his career at Colorado, rushed 199 times for 714 yards and nine touchdowns, averaging 19.8 rushing yards per game. He also notched 45 receptions for 333 receiving yards to average 7.4 yards per carry.
  • Was the team’s Gold Group Commitment Award winner in 2008 and 2009, given by the coaches to the player committed to all-around excellence. Also named the Fred Casotti Award winner as a sophomore as the most improved offensive back during spring practice.
  • A four-year letterwinner at San Diego’s Cathedral Catholic High School in football, where he graduated as the No. 48 running back in the nation (and the No. 98 overall prospect in California) according to
  • Completed his prep career as the San Diego area’s all-time leading rusher with 5,696 yards, as well as scoring a combined 67 career touchdowns.
  • Graduated from Colorado in 2011 with his bachelor’s degree in economics.
  • Currently pursuing his master’s degree in liberal arts and interdisciplinary studies.
  • Sumler and his wife, Marissa, live in San Diego.

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