Padres CEO Erik Greupner discussed the return of fans to Petco Park by opening day, what sort of opt-in they've received from the season ticket holders, when the general public might be able to buy single game tickets, what sort of protocols they're putting into place including the game-day experience, if fully vaccinated fans might be exempt by some protocols, the latest with Padres games on youtubeTV and if they'll prevent Dodgers fans from buying tickets.