Crossword clues for Don't back down:BACKINGPolitical endorsementBACKGive an endorsement toBACKWhat a left arrow might meanBACKSecondBACKBrowser commandBACKBehindBACKFill's partner.BACKPull forBACKBet onBACKThe Empire Strikes ___BACKPlayer in an I formationBACK___ to the FutureBACKSIs an angel toBACKMissing word in 21-, 31-, 40- and 50-Across, applied literallyBACKGridiron yard-gainerBACKSMembers of a football team.BACKEDChairlikeBACKSPuts money onBACKSupportBACKEndorseBACKBe an angel, on Broadway.BACKSSpinesBACKEDSponsoredBACKSHelps (a start-up) start upBACKSPigskin carriersBACKSpring forward, fall ___BACKS__ up (drives in reverse gear)BACKOverdue, as payBACKAgoBACKSee 36-AcrossBACKSSupports on KickstarterBACKWith 4-Down, "Likewise, dude!"BACKRearBACKSGridiron players, behind the line.BACKEDGave support toBACKGridiron runnerBACKInside Out and ___ Again (Thanhhà Lai book)BACKFootball positionBACKHere againBACKINGSupportBACKEDSupportedBACKSSupportsBACKSStands behindBACKSponsorBACKDorsumBACKShirt holderBACKProvide support forBACKCome ___, Little ShebaBACKSPlaces for patsBACKWord cried after stay or come