▁blue ▁caps ). ▁The ▁San ▁Francisco ▁Gi ants ▁wear ▁orange ▁j er se ys ▁during ▁all ▁Friday ▁home ▁games . ▁The ▁Philadelphia ▁Phill ies ▁introduced ▁an ▁alternate ▁cre am - color ed ▁uniform ▁( with ▁a ▁blue ▁cap ▁to ▁complete ▁the ▁look ) ▁in ▁ 2 0 0 8 ▁and ▁currently ▁wear ▁it ▁for ▁all ▁afternoon ▁home ▁games . ▁Most ▁recently ▁the ▁Mar in ers ▁rev ived ▁their ▁te al ▁j er se ys ▁from ▁the ▁mid - 1 9 9 0 s , ▁to ▁be ▁used ▁on ▁Friday ▁and ▁Monday ▁home ▁games . ▁In ▁ 2 0 1 5 ▁they ▁also ▁introduced ▁an ▁alternate ▁version ▁of ▁their ▁home ▁uniform s , ▁using ▁the ▁team ' s ▁classic ▁blue - and - yellow ▁scheme ▁on ▁cre am ▁uniform s , ▁to ▁be ▁worn ▁on ▁Sunday ▁home ▁games . ▁The ▁Baltimore ▁Ori oles ▁wear ▁alternate ▁black ▁j er se ys ▁( with ▁a ▁cap ▁showing ▁the ▁" O ' s " ▁script ▁logo ) ▁every ▁Friday , ▁regardless ▁of ▁whether ▁they ▁are ▁home ▁or ▁away ▁( home ▁games ▁against ▁the ▁Red ▁So x ▁would ▁force ▁the ▁latter ▁to ▁wear ▁their ▁regular ▁grey ▁uniform s ▁rather ▁than ▁their ▁n avy ▁Friday ▁uniform s ), ▁and ▁in ▁ 2 0 1 2 ▁they ▁introduced ▁an ▁alternate ▁orange ▁j er sey ▁to ▁be ▁worn ▁during ▁Saturday ▁games . ▁In ▁ 2 0 1 3 , ▁the ▁New ▁York ▁M ets ▁introduced ▁two ▁different ▁blue ▁alternate ▁j er se ys ; ▁one ▁has ▁their ▁team ▁name ▁on ▁it