est ▁protect ors ▁worn ▁outside ▁the ▁sh irt ▁or ▁coat , ▁while ▁their ▁counter parts ▁in ▁the ▁National ▁League ▁wore ▁ch est ▁protect ors ▁inside ▁the ▁sh irt ▁or ▁coat , ▁more ▁a kin ▁to ▁those ▁worn ▁by ▁catch ers . ▁In ▁ 1 9 7 7 , ▁the ▁AL ▁ruled ▁that ▁all ▁u mp ires ▁entering ▁the ▁league ▁that ▁year ▁and ▁in ▁the ▁future ▁had ▁to ▁wear ▁the ▁inside ▁prote ctor , ▁although ▁u mp ires ▁already ▁in ▁the ▁league ▁who ▁were ▁using ▁the ▁outside ▁prote ctor ▁could ▁continue ▁to ▁do ▁so . ▁The ▁last ▁u mp ire ▁to ▁regularly ▁wear ▁the ▁outside ▁prote ctor ▁was ▁Jerry ▁Ne ude cker , ▁who ▁retired ▁after ▁the ▁ 1 9 8 5 ▁season . ▁( Since ▁ 2 0 0 0 , ▁Major ▁League ▁Baseball ▁has ▁used ▁the ▁same ▁u mp ire ▁cre ws ▁for ▁both ▁le agues .) ▁ ▁The ▁National ▁Football ▁League ▁( N FL ) ▁currently ▁prohib its ▁corpor ate ▁ownership ▁of ▁teams . ▁O wn ership ▁groups ▁can ▁have ▁no ▁more ▁than ▁ 2 4 ▁members , ▁and ▁at ▁least ▁one ▁partner ▁must ▁hold ▁a ▁ 3 0 % ▁ownership ▁st ake . ▁The ▁league ▁has ▁ex empt ed ▁the ▁Green ▁Bay ▁Pack ers ▁from ▁this ▁rule ; ▁the ▁team ▁has ▁been ▁owned ▁by ▁a ▁public ly ▁owned , ▁non pro fit ▁corpor ation ▁since ▁ 1 9 2 3 , ▁dec ades ▁before ▁the ▁league ' s ▁current ▁ownership ▁rules ▁were ▁put ▁in ▁place ▁in ▁the ▁ 1 9