A black-and-white illustration of Aldon Smith in a 49ers uniform, mid-sack, with a solemn background and the words '19.5 sacks in 2012' below.
A black-and-white illustration of Aldon Smith in a 49ers uniform, mid-sack, with a solemn background and the words '19.5 sacks in 2012' below.

His 19.5-sack season still stands in franchise history, a reminder of what was — and what could have been — for a teammate or fan who followed his journey.

Aldon Smith dies at 36 Story flow and key facts

Aldon Smith, the former San Francisco 49ers All-Pro linebacker known for his explosive start to his NFL career, has died at the age of 36. Drafted seventh overall in 2011, Smith recorded 33.5 sacks in his first two seasons — an NFL record for a player’s first two years — including a franchise-record 19.5 sacks in 2012, helping lead the 49ers to Super Bowl 47.

Smith’s dominance on the field was matched by turmoil off it. He faced multiple suspensions due to substance abuse and legal issues, including three DUI arrests. The 49ers released him in 2015, and he was later suspended for a full year by the NFL. After a four-year absence, he returned briefly with the Dallas Cowboys in 2020 and signed with the Seattle Seahawks in 2021 but was waived before the season began following another arrest.

No cause of death has been publicly announced. Smith played six seasons across the 49ers, Raiders, Cowboys, and Seahawks, finishing with 52.5 career sacks. Remembered for both his electrifying talent and personal struggles, his story reflects the highs and challenges faced by some professional athletes.

Facts

  • Aldon Smith died at age 36 on June 13, 2026.
  • He recorded 33.5 sacks in his first two NFL seasons — an NFL record for a player's first two years.
  • In 2012, he set a 49ers single-season record with 19.5 sacks and earned All-Pro honors.
  • Smith was suspended multiple times for substance abuse and conduct violations, including a full-year ban in 2015.
  • He played for the 49ers, Raiders, Cowboys, and Seahawks over six NFL seasons.
  • No cause of death has been publicly announced.

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