4 5 ▁yard ▁line , ▁field ing ▁rules ▁became ▁similar ▁to ▁pun ts ▁in ▁that ▁the ▁kick ing ▁team ▁is ▁not ▁allowed ▁to ▁recover ▁and ▁reg ain ▁possession . ▁Games ▁were ▁originally ▁played ▁on ▁Wed nes day ▁night s ▁to ▁avoid ▁competition ▁with ▁high ▁school ▁football ▁( F rid ay ▁and ▁Saturday ), ▁college ▁football ▁( T ues day , ▁Th urs day , ▁Friday ▁and ▁Saturday ) ▁and ▁the ▁NFL ▁( Th urs day , ▁Sunday ▁and ▁Monday ); ▁the ▁league ▁also ▁played ▁some ▁Friday ▁night ▁games ▁later ▁in ▁the ▁season . ▁The ▁league ▁abandoned ▁this ▁approach ▁in ▁ 2 0 1 5 ▁and ▁scheduled ▁most ▁of ▁its ▁games ▁for ▁Frid ays ▁and ▁S atur days . ▁C ut ▁blocking ▁was ▁illegal . ▁All ▁players ▁on ▁a ▁team ' s ▁ro ster ▁played ▁in ▁each ▁game ▁whenever ▁possible . ▁ ▁Business ▁plan ▁Wood s ▁was ▁quoted ▁as ▁saying ▁about ▁the ▁new ▁league : ▁" O ur ▁long - term ▁goal ▁is ▁to ▁establish ▁a ▁partners hip ▁with ▁the ▁NFL ▁and ▁we ▁feel ▁can ▁do ▁that ▁on ▁many ▁platforms . ▁ ▁It ▁would ▁give ▁them ▁a ▁way ▁to ▁work ▁with ▁younger ▁players ▁that ▁they ▁don ' t ▁currently ▁have . ▁We ▁can ▁help ▁them ▁train ▁pros pective ▁NFL ▁officials — in ▁the ▁NBA , ▁every ▁ref eree ▁entering ▁the ▁league ▁( in ▁recent ▁years ) ▁comes ▁from ▁NBA ▁Development ▁League . ▁We ▁can ▁be ▁a ▁testing ▁ground ▁for ▁proposed ▁rules , ▁too ." ▁The ▁league ▁has ▁an ▁agreement ▁with ▁the ▁NFL ▁to ▁use