Mets' Yoenis Cespedes opting out of 2020 season - ESPN
MLB opt-out tracker: Full list of players who have opted out during COVID-19 pandemic
Yo No! Cespedes Opts out of the 2020 MLB Season – The Sports Paige
Yoenis Céspedes opts out of 2020 season for 'COVID-related reasons
New York Mets' Yoenis Cespedes opts out of season after no-show