Ryan Zimmerman, Joe Ross and Mike Leake Opt Out of MLB Season Citing Pandemic - The New York Times

COVID-19: A list of athletes who have opted out of playing - Los Angeles Times

MLB opt-out tracker: Full list of players who have opted out during COVID-19 pandemic

Ian Desmond joins MLB players opting out of 2020 season

Several MLB Players Opting Out of 2020 Season Over Coronavirus Concerns – NBC Chicago

Ian Desmond won't play in the upcoming MLB season, citing racism and coronavirus concerns

Nationals' Ryan Zimmerman, Rockies' Ian Desmond among first players to opt out of 2020 MLB season - The Boston Globe

These 25 Players Opted Out Of MLB In 2020. How Are They Doing In 2021?

Mike Leake, Ryan Zimmerman and Joe Ross opt out of MLB season - Los Angeles Times

Sports Are Returning. Virus Cases Are Rising. How Many Is Too Many? - The New York Times

Ian Desmond and Ryan Zimmerman the latest MLB players to opt out of the 2020 season over COVID-19 concerns – The Virginian-Pilot

Several baseball players are opting out of the 2020 MLB Season, citing 'personal health and safety