Wimbledon is offering a $4.8 million winner's check, but it's safe to assume money isn't the motivation for tennis icon Serena Williams, the richest female athlete ever.

Serena Williams has come out of retirement at 44 to play at Wimbledon after support from her family and husband.

Wimbledon is offering a $4.8 million winner's check, but it's safe to assume money isn't the motivation for tennis icon Serena Williams, the richest female athlete ever.