Question: Which retired American professional tennis player was defualted in a 1999 match for swearing at a line judge?
Sentence (from "Andre Agassi"): Described by the BBC upon his retirement as "perhaps the biggest worldwide star in the sport's history", Agassi compiled performances that, along with his unorthodox apparel and attitude, saw him cited as one of the most charismatic players in history.
Relevant evidence: No