Nick Markakis retiring from baseball after 15 seasons
Nick Markakis: Most Up-to-Date Encyclopedia, News & Reviews
Potential free agent target: Nick Markakis - Royals Review
Top 50 Orioles of All Time: #17, Nick Markakis - Camden Chat
Nick Markakis announces retirement
Nick Markakis retires from MLB, 03/12/2021
Nick Markakis Archives - PressBox
O's legend Nick Markakis hangs up cleats after 15 seasons – The Baltimore Battery
Nick Markakis Retires - MLB Trade Rumors