Maria Sharapova overcame a scare to advance to the third round of the Wimbledon tennis tournament while another former champion, Serena Williams, also won. Fourth-seeded Andy Murray got past Croatia’s Ivo Karlovic.
Shattered glass severed tendons in her feet and required surgery twice. Blood clots reached her lungs and threatened her life. The only two tennis matches she played in 12 months produced the definition of mediocrity, a 1-1 record.