Shaquille O'Neal announces his retirement from basketball . Known as ` ` Shaq , '' O'Neal had a successful career in the NBA , winning three NBA titles . He has struggled with injury and played just two games for the Boston Celtics last year . ` The year - old is fifth on the all - time NBA retired list .
Shaquille O'Neal announces his retirement from basketball . Known as ` ` Shaq , '' O'Neal had a successful career in the NBA , winning three NBA titles . He has struggled with injury and played just two games for the Boston Celtics last year . The year - old is fifth on the all - time NBA retired list .