when did the 49ers wear black jerseys

49ers, Browns wear two ugliest uniforms
The San Francisco 49ers New Alternate Attention Oversensitive Browns Fans 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 Attention Oversensitive Browns Fans 49ers could have new alternate uniforms wear black uniforms for 'Color Rush The San Francisco 49ers And Arizona San Francisco 49ers to wear traditional Color Rush' Game

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