Having survived the big babe era to earn seven Grand Slam titles, Justine Henin sent shock waves through the WTA Tour when she retired in May. But she wasn't the only star to hang up her racket in 2008.
Former No. 1 player Justine Henin-Hardenne ended her season Monday because of continued problems with an energy-sapping virus. The blood disorder has weakened her since April -- although she won the singles gold medal at the Olympics.