Braves' Nick Markakis electing not to play in 2020
Atlanta Braves OF Markakis won't play in 2020 due to Covid-19 - Atlanta Business Chronicle
Nick Markakis Retires Without Ever Reaching The World Series
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Former Braves OF Nick Markakis announces retirement
The lucky break given to Nick Markakis by the Atlanta Braves
Braves 2020 Player Review: Johan Camargo - Braves Journal
Atlanta Braves roster and schedule for 2020 season - NBC Sports
Nick Markakis retires after 15 MLB seasons with Atlanta Braves, Baltimore Orioles - ESPN
Cardinals closer Jordan Hicks latest MLB player to opt out of 2020 season
Braves 'ultimate pro' OF Nick Markakis opts out of season –
Atlanta Braves Nick Markakis Opts Out - Last Word On Baseball