▁the ▁beginning . ▁Due ▁to ▁pressure ▁from ▁the ▁NFL , ▁some ▁franch ises ▁had ▁difficulty ▁se cur ing ▁le ases ▁in ▁stad iums ▁that ▁were ▁also ▁used ▁by ▁NFL ▁teams , ▁forcing ▁them ▁to ▁sc ram ble ▁to ▁find ▁alternate ▁ven ues ▁in ▁their ▁chosen ▁city ▁or ▁hurried ly ▁move ▁to ▁a ▁new ▁market . ▁The ▁US FL ▁had ▁no ▁hard ▁sal ary ▁cap , ▁and ▁because ▁of ▁this , ▁some ▁teams ▁quickly ▁es cal ated ▁player ▁pay roll s ▁to ▁uns ust ain able ▁levels ▁despite ▁p led ges ▁to ▁keep ▁costs ▁under ▁control . ▁While ▁a ▁hand ful ▁of ▁US FL ▁franch ises ▁ab ided ▁by ▁the ▁D ixon ▁Plan ▁and ▁were ▁relatively ▁stable , ▁others ▁suffered ▁repeated ▁financial ▁cr ises , ▁and ▁there ▁were ▁many ▁franch ise ▁re loc ations , ▁mer gers , ▁and ▁ownership ▁changes ▁during ▁the ▁league ' s ▁short ▁existence ; ▁however , ▁none ▁of ▁its ▁teams ▁actually ▁fol ded ▁during ▁any ▁given ▁season . ▁These ▁problems ▁were ▁w ors ened ▁as ▁some ▁own ers ▁began ▁eng aging ▁in ▁b idd ing ▁wars ▁for ▁star ▁players ▁against ▁NFL ▁teams ▁and ▁each ▁other , ▁forcing ▁other ▁own ers ▁to ▁do ▁the ▁same ▁or ▁face ▁a ▁compet itive ▁dis adv antage . ▁ ▁On ▁the ▁field , ▁the ▁US FL ▁was ▁regarded ▁as ▁a ▁relatively ▁good ▁product . ▁Many ▁coach es ▁and ▁team ▁execut ives ▁had ▁NFL ▁experience , ▁and ▁many ▁future ▁top ▁NFL ▁players ▁and ▁coach es ▁got ▁their ▁start ▁in ▁the ▁new ▁league , ▁including ▁several