"Yes, Kim Clijsters came back and won the U.S. Open in her third tournament back," Austin said of Clijsters' win in 2009. "That's unusual. But Serena has done this multiple times, where she's been off for a long, long time and came back and won the tournament because she's just a better athlete than everybody else and she has better mental toughness than everybody else. I don't think there are other players, other sports, where this happens."
"There are certain people who are pretty special," said Tracy Austin, who was one of those people back in her day, "and sometimes we don't appreciate it 'til they're gone."