Serena Williams rolled her ankle and whacked herself in the lip with her racket. That doesn't mean she needs any extra rest.
A day after winning her third-round match against Ayumi Morita of Japan - her first-injury free round at this year's Australian Open - the No. 3-ranked Williams was back on the court Sunday to play alongside sister Venus.
The Williams sisters take doubles seriously, and that can mean skipping the rest day between singles matches. Venus has joked they have so many trophies they use some as fruit bowls.
The sisters have captured 13 major doubles titles, including four at the Australian Open. They've also won three Olympic gold medals for doubles.
So dominant are Venus and Serena, they've never lost in a Grand Slam doubles final they've contested. They've reached the final in seven of the last 10 major tournaments they've played.
''They mean a lot to me,'' Serena said earlier this week. ''I mean, people tha...