Baltimore Ravens' John Urschel retires from NFL at age 26

    Baltimore Ravens offensive lineman John Urschel before a game against the San Diego Chargers at M&T Bank Stadium on November 1, 2015 in Baltimore, Maryland.

    Story highlights

    • Ravens offensive lineman is working on his PhD
    • Urschel attending Massachusetts Institute of Technology
    • Had been with the Ravens for three years

    (CNN)John Urschel, a Baltimore Ravens offensive lineman known for his passion for mathematics, has retired from the NFL at age 26.

    In a statement released by the team, Ravens head coach John Harbaugh said Urschel had informed him of the decision Thursday morning.
      "We respect John and respect his decision," Harbaugh said. "We appreciate his efforts over the past three years and wish him all the best in his future endeavors."