Jay Won, professionally known as Sinatraa, is an American esports player and content creator. Won began his career as a player in the game Overwatch. He initially competed for Selfless Gaming and later joined the San Francisco Shock team prior to the Overwatch League's inaugural season in 2018. In the 2019 season, Won's performances led to him being awarded the Most Valuable Player and won the 2019 Overwatch League Grand Finals. Won also represented Team USA in the Overwatch World Cup from 2017 to 2019. In the 2019 Overwatch World Cup, Won helped the team to claim the championship title. Due to his performance throughout the tournament, Won received the Most Valuable Player award.

The San Francisco Shock are an American professional Overwatch esports team based in San Francisco, California. The Shock compete in the Overwatch League (OWL) as a member of the league's West region. Founded in 2017, the San Francisco Shock is one of the twelve founding members of the OWL and is one of three professional Overwatch teams in California. The team is owned by Andy Miller, co-owner of the Sacramento Kings and NRG Esports. The Shock have won three midseason tournament titles, qualified for three season playoffs, and won back-to-back OWL Grand Finals, making them one of the most accomplished franchises in OWL history.