Which NFL team did Serena and Venus Williams become minority owners of in 2009?

Serena and Venus Williams became minority owners of the Miami Dolphins in 2009. They purchased a small stake in the NFL franchise during Stephen Ross's ownership of the team.

The sisters joined a group of prominent minority investors that included entertainers Gloria Estefan and Marc Anthony. The investment connected two of tennis's biggest stars with a professional football organization based in their home state of Florida.

The Dolphins were purchased by Ross in stages, with his ownership becoming controlling in 2009. Adding the Williams sisters gave the franchise high-profile investors and highlighted the growing participation of athletes and entertainers in professional sports ownership.

This was a minority investment, not ownership of an entire NFL team or a controlling share. It is also distinct from Serena's later investments in startups through Serena Ventures and from the ownership group connected to the National Women's Soccer League franchise Angel City FC.