Nick Markakis opts out of 2020 season – WGAU
Nick Markakis retires after 15 MLB seasons with Atlanta Braves, Baltimore Orioles - ESPN
Braves' Outfielder Nick Markakis Opts Back Into 2020 Season
Full List Of MLB Players Opting Out Of 2020 Season — College Baseball, MLB Draft, Prospects - Baseball America
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Nick Markakis rejoins Atlanta Braves after initially opting out of 2020 MLB season
Nick Markakis opts out of 2020 season – WGAU
Braves OF Markakis opts out of 2020 season
Full List Of MLB Players Opting Out Of 2020 Season — College Baseball, MLB Draft, Prospects - Baseball America
MLB players who are opting out of the 2020 season - ESPN
Nick Markakis Opts Out of 2020 Season - Battery Power
Nick Markakis Opts Out of 2020 Season - Battery Power
Nick Markakis of the Braves opts back in to MLB season