2: Members of the Golden Slam Club - Serena Williams and Steffi Graf.

2: Athletes who have won four gold medals in tennis in their Olympic careers - Serena Williams, Venus Williams; Reginald Doherty has three.

18: Combined Grand Slam singles titles by Williams and Sharapova entering the match, the most-ever by two female players at the time of their Olympic final, passing the previous high of 11, the combined total of Steffi Graf and Jennifer Capriati entering the 1992 final.

6-0, 6-1: Williams' winning score, the most lopsided in a gold-medal match in Olympic history, surpassing Suzanne Lenglen's 6-3, 6-0 triumph over Dorothy Holman in 1920.

995: The number of points separating the top four players in the world following the Olympics. No. 1 Victoria Azarenka will be at 9,040 come Monday; No. 2 Sharapova at 8,840; No. 3 Agniesza Radwanska at 8,531 and No. 4 Williams at 8,045. 

18 years, 5 months, 30 days: Length of time since two career Grand Slam singles players squared off before Saturday's gold medal match. The previous time - 6,755 days ago - was February 6, 1994, when Steffi Graf defeated Martina Navratilova in the finals of the Tokyo Pan Pacific tournament. 

8: Consecutive losses by Sharapova against Williams, dropping her all-time mark to 2-9 against the American. Since her last victory over WIlliams, at the 2004 Tour Championships, 11% of Sharapova's 76 total losses (against 330 wins) have come against Williams.