Adrian Beltre, 21-year MLB veteran, announces retirement
Adrian Beltre, Chuck Morgan to be inducted into Texas Rangers Baseball Hall of Fame - Fox Sports Texarkana
You don't see stuff like that in the big leagues. Adrián Beltré makes his retirement official - The Athletic
Adrian Beltre & Chuck Morgan to be Inducted into Rangers Baseball Hall of Fame August 14 - City of Arlington
Rangers' new manager will have youngsters, likely no Beltre
Adrian Beltre retires: Rangers, MLB less fun without him - Sports Illustrated
Rangers' Adrian Beltre retires after 21 seasons, 3,166 hits
Rangers' Adrian Beltre retires after 21 seasons, 3,166 hits
Adrián Beltré Day: Thighs, Cups, and Hindsight - Baseball ProspectusBaseball Prospectus
Adrián Beltré – Society for American Baseball Research
Adrian Beltre deciding whether to return
Adrian Beltre retires after 21 MLB seasons