Answer:

MGRS

Answer	Crossword Clue
MGRS	CEOs?
MGRS	Bosses (abbr.)
MGRS	Houk and Lasorda (abbr.)

MGRS	Team bosses (abbr.)
MGRS	Dept. heads
MGRS	MLB VIP's
MGRS	Baseball VIPs
MGRS	Leaders in the dugout: Abbr.
MGRS	Ballpark figs.
MGRS	MLB team leaders
MGRS	Ones arguing about diamonds: Abbr.

MGRS	Short bosses?
MGRS	Stengel, Lasorda et al. (abbr.)
MGRS	Dugout VIPs
MGRS	Dept. store VIPs
MGRS	Retail department heads (abbr.)
MGRS	Diamond VIPs
MGRS	Ballpark VIPs
MGRS	Girardi in N.Y. and Mattingly in L.A.

MGRS	Baseball team VIPs
MGRS	Certain execs.
MGRS	Baseball bosses: Abbr.
MGRS	Bus. drivers?
MGRS	Bus. honchos
MGRS	Co. bosses
MGRS	Dept. bosses
MGRS	Stengel, Durocher, etc.: Abbr.

MGRS	Al Lopez and others: Abbr.
MGRS	Rigney and Alston: Abbr.
MGRS	Business men: Abbr.
MGRS	Big-league masterminds: Abbr.
MGRS	Heads of nines: Abbr.
MGRS	Baseball officials: Abbr.
MGRS	Clerical titles: Abbr.
MGRS	Stengel and McGraw: Abbr.

MGRS	Baseball V.I.P.'s
MGRS	Office V.I.P.'s
MGRS	Martin and Mauch: Abbr.
MGRS	Diamond V.I.P.'s
MGRS	Torre and Valentine: Abbr.