Adrian Wojnarowski, who has been ESPN's leading reporter on the NBA for seven years, is retiring to take a job at his alma mater, St. Bonaventure.

By leaving his role, Wojnarowski is walking away from $20 million with ESPN, multiple people briefed on the move said.

When ESPN NBA insider Adrian Wojnarowski announced his retirement Wednesday to become the general manager of St. Bonaventure's men's basketball team, a word frequently used to describe him—explicitly or implicitly—was irreplaceable.