Ravens nose tackle Michael Pierce, who became the heaviest NFL player to make an interception in the last 25 years, has announced his retirement.

The Baltimore Ravens have lost a significant part of their defense, and the owner of one of the most memorable big-man interceptions of all time, as defensive tackle Michael Pierce announced his retirement Wednesday following a nine-year NFL career.

Ravens defensive lineman Michael Pierce has announced his retirement after nine seasons, and he went out with a flourish An undrafted free agent in 2016, Pierce became one of the game's best nose tackles, known for his run-stopping prowess. He played seven of his nine years in Baltimore, where it all started.