Crossword clues for Ref 3 lettersAnswerClueREFSports "zebra"REFWhistler on a courtREFB-ball arbitratorREFDown-for-the-count counterREFVolleyball officialREF1-Down officialREFOne may verify completionREFSports noncombatantREFSoccer officialREFStripe-wearer in the rinkREFOne hopefully not giving mixed signalsREFTKO officialREFOne flipping a coinREFGridiron figureREFZebra on the fieldREFOne watching the end, maybeREFCourt officialREFCall the gameREFPerson in stripesREFRing or rink figureREFOne maintaining order on the court, sayREFHated card dealerREFFight stopper, perhapsREFBk. used for look-upsREFArbiter, for shortREFSports judgeREFChief overseerREFOne in black and white, informallyREFGame warden?REFGridiron arbiterREFFlag throwerREFArbiterREFClipping callerREFCourt arbiterREFUmp's relativeREFSport authorityREFWhistle-blower, sayREFTravel agent?REFPass interference callerREFWorker among playersREFHolding officialREFGridiron zebraREFUmp's gridiron counterpartREFLibrary sec.REFZebra on a fieldREFZebra with a whistleREFNFL "zebra"REFHolding ruler, brieflyREFRing officialREFSignaler on the field