MLB rumors: Why Rockies' Ian Desmond, 3 more MLB stars will sit out season
Baseball players opting out of 2020 MLB season
Texas Collegiate League and TCU - Frogs O' War
Nationals' Ryan Zimmerman opting out of 2020 MLB season
Nats' Ryan Zimmerman, Joe Ross among first MLB players to opt out of 2020 season - The Washington Post
Nationals' Ryan Zimmerman, Joe Ross opt out of 2020 season - ESPN
Mike Leake, Ryan Zimmerman and Joe Ross opt out of MLB season - Los Angeles Times
Diamondbacks right-hander Mike Leake opts out of 2020 season
Ian Desmond won't play in the upcoming MLB season, citing racism and coronavirus concerns
Washington Nationals: Joe Ross, Ryan Zimmerman opt out of 2020
Unlike other teams, Twins not expecting any players to opt out of season – Twin Cities
Nationals' Ryan Zimmerman, Rockies' Ian Desmond among first players to opt out of 2020 MLB season - The Boston Globe
MLB opt-out tracker: Full list of players who have opted out during COVID-19 pandemic
2020 MLB season: Which players are opting out during the pandemic - DraftKings Network