![Front Office Sports on Twitter: "Within five years of turning pro, both Williams sisters were earning over $2M per year. Their marketability opened the endorsement floodgates ✍️ In 2000, Venus signed a Front Office Sports on Twitter: "Within five years of turning pro, both Williams sisters were earning over $2M per year. Their marketability opened the endorsement floodgates ✍️ In 2000, Venus signed a](https://pbs.twimg.com/media/FEkNuu6XwAMtvbc.jpg:large)
Front Office Sports on Twitter: "Within five years of turning pro, both Williams sisters were earning over $2M per year. Their marketability opened the endorsement floodgates ✍️ In 2000, Venus signed a
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Serena Williams says Nike is 'learning from mistakes and doing better' in paying female athletes - MarketWatch
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