Whos daughter is an American former professional boxer who competed from 1999 to 2007 and is widely regarded as one of the most significant and celebrated sports figures of the 20th century?
Laila Ali:  She is the daughter of legendary boxing champion Muhammad Ali with his third wife, Veronica Porché Ali, and is the eighth of her father's nine children. Muhammad Ali:  He is widely regarded as one of the most significant and celebrated sports figures of the 20th century.
Muhammad Ali