Answer: NATS
NATS is a crossword puzzle answer that we have spotted 86 times.
    - "Mr. Basketball" Holman et al.
 
    - Turner and others
 
    - "Beverly Hills 90210" restaurant owner and others
 
    - Turner and Cole
 
    - Writer Hentoff and others
 
    - Insurrectionist Turner and others
 
    - Ex-D.C. baseballers
 
    - R.F.K. Stadium team, briefly
 
    - N.L. East nine
 
    - D.C. nine, for short
 
    - Washington nine
 
    - M.L.B. team with a "W" insignia
 
    - D.C. nine
 
    - Washington team
 
    - D.C. ball team
 
    - Washington team, familiarly
 
    - D.C. diamond squad
 
    - They compete with the O's for local baseball fans' affections
 
    - Expos, since 2005
 
    - RFK Stadium team
 
    - D.C. baseball team
 
    - Cole and Turner
 
    - D.C. baseballers, briefly
 
    - DC baseballers
 
    - DC team, in headlines
 
    - D.C. 9?
 
    - D.C. team, informally
 
    - Nickname for a D.C. team
 
    - King Cole and Turner
 
    - D.C. team
 
    - MLB team from D.C.
 
    - MLBers since '05
 
    - Washington squad, briefly
 
    - N.L. East squad
 
    - Washington baseballers
 
    - D.C. team, familiarly
 
    - Washington baseball team, for short
 
    - DC baseballers, for short
 
    - D.C. ball club
 
    - DC team
 
    - D.C. team since '05
 
    - Expos, now
 
    - Opponent of the O's in the "Beltway Series"
 
    - Team once known as the Expos, to fans
 
    - 2012 N.L. East champs
 
    - Washington ball team, briefly
 
    - D.C. ballplayers
 
    - DC ballplayers
 
    - D.C. squad
 
    - DC ball club
 
    - Washington MLB team
 
    - Phils' rivals
 
    - 2014 N.L. East champs
 
    - Washington nine, briefly
 
    - D.C. club
 
    - D.C. sports group
 
    - Washington pros
 
    - Beltway Series squad
 
    - Mets' rival
 
    - D.C. baseball team, for short
 
    - D.C. team, for short
 
    - D.C. baseballers
 
    - D.C. team, in headlines
 
    - D.C. pros
 
    - 2016 N.L. East champs
 
    - Yanks : New York :: ___ : Washington
 
    - Beltway Series team
 
    - Former A.L. team
 
    - D.C. ball team, briefly
 
    - Team whose mascot is an eagle named Screech, familiarly
 
    - 2019 World Series champs, briefly
 
    - D.C. sluggers
 
    - 2019 M.L.B. champs
 
    - D.C. MLB team
 
    - M.L.B. team with a big "W" in its logo
 
    - 2019 World Series champs
 
    - Baseball team whose mascot is Screech the eagle, familiarly
 
    - Washington M.L.B.ers
 
    - N.L. East team
 
    - D.C. ball club, informally
 
    - Washington's MLB team
 
    - 2019 World Series champs, familiarly
 
    - Beltway Series MLB team
 
    - Capital ball club, familiarly
 
    - NL East team with a "curly W" logo
 
    - Washington team, to fans