In case any other non-sports fans are interested: Tom Brady and Aaron Rodgers, both of whom even I have heard of, apparently wore that number for the Patriots and Packers, respectively.
Despite the headline “All Players to Wear Number 12 for Green Bay Packers,” apparently it has not been decided that all Packers players will henceforth wear that number:
In case any other non-sports fans are interested: Tom Brady and Aaron Rodgers, both of whom even I have heard of, apparently wore that number for the Patriots and Packers, respectively.
Despite the headline “All Players to Wear Number 12 for Green Bay Packers,” apparently it has not been decided that all Packers players will henceforth wear that number:
https://www.pro-football-reference.com/players/uniform.cgi