when did the 49ers wear black jerseys

49ers won't wear throwback uniforms
49ers, Browns wear two ugliest uniforms alternate uniforms for season opener 2020 Super Bowl: 49ers won't wear all Super Bowl 2020: Will NFL Allow 49ers Uniforms in Super Bowl vs. Chiefs Uniwatch hated the black uniformsI The San Francisco 49ers New Alternate 49ers could have new alternate uniforms wearing a black jersey in practice San Francisco 49ers to wear traditional Color Rush' Game

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