There are a few teams that don't wear them on Fridays. Braves are Saturday. Rockies are Saturday (and a lot of Wednesdays). Giants were Tuesday last year, not sure about this year (Friday is Orange jerseys). Marlins are Saturday. Astros are Mondays. Red Sox are supposed to be Saturdays (they did wear then for their only Friday home game this year, but that's probably because their red jerseys aren't ready, as those are supposed to be their Friday look).
Dodgers last year were pretty random. 2 Sundays, 1 Monday, 2 Tuesdays, 2 Thursdays, 2 Saturdays. Never on Wednesday or Friday. Angels too; 6 Sun, 2 Tue, 2 Wed, 1 Thu, 2 Fri, 1 Sat (they haven't worn them yet this year).
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