announce one's retirement

He announced his retirement before the start of the 2011 season.

Late in 2011, she announced her retirement at the age of 29.

At the end of the season, he announced his retirement.

He then announced his retirement at the age of 28.

Two days later he announced his retirement from the national team.

In May 2013 he announced his retirement from the game.

He announced his retirement at the end of the season.

After the season, he announced his retirement from the game.

He announced his retirement from full time administration in 2013.

He announced his retirement at the beginning of the 1991 season.